18219818980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1142

約数の個数: 192

約数和(自身を含む): 44953574400

約数和(自身を除く): 26733755420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 79, 110, 116, 145, 148, 158, 185, 220, 290, 316, 319, 370, 395, 407, 580, 638, 740, 790, 814, 869, 977, 1073, 1276, 1580, 1595, 1628, 1738, 1954, 2035, 2146, 2291, 2923, 3190, 3476, 3908, 4070, 4292, 4345, 4582, 4885, 5365, 5846, 6380, 8140, 8690, 9164, 9770, 10730, 10747, 11455, 11692, 11803, 14615, 17380, 19540, 21460, 21494, 22910, 23606, 25201, 28333, 29230, 32153, 36149, 42988, 45820, 47212, 50402, 53735, 56666, 58460, 59015, 64306, 72298, 77183, 84767, 100804, 107470, 113332, 118030, 126005, 128612, 141665, 144596, 154366, 160765, 169534, 180745, 214940, 236060, 252010, 283330, 308732, 311663, 321530, 339068, 361490, 385915, 397639, 423835, 504020, 566660, 623326, 643060, 722980, 771830, 795278, 847670, 849013, 932437, 1048321, 1246652, 1543660, 1558315, 1590556, 1695340, 1698026, 1864874, 1988195, 2096642, 2238307, 2855771, 3116630, 3396052, 3729748, 3976390, 4193284, 4245065, 4476614, 4662185, 5241605, 5711542, 6233260, 7952780, 8490130, 8953228, 9324370, 10483210, 11191535, 11423084, 11531531, 14278855, 16980260, 18648740, 20966420, 22383070, 23063062, 24621377, 28557710, 31413481, 44766140, 46126124, 49242754, 57115420, 57657655, 62826962, 82817359, 98485508, 115315310, 123106885, 125653924, 157067405, 165634718, 230630620, 246213770, 314134810, 331269436, 414086795, 492427540, 628269620, 828173590, 910990949, 1656347180, 1821981898, 3643963796, 4554954745, 9109909490, 18219818980]

約数ペア:

[(1, 18219818980), (2, 9109909490), (4, 4554954745), (5, 3643963796), (10, 1821981898), (11, 1656347180), (20, 910990949), (22, 828173590), (29, 628269620), (37, 492427540), (44, 414086795), (55, 331269436), (58, 314134810), (74, 246213770), (79, 230630620), (110, 165634718), (116, 157067405), (145, 125653924), (148, 123106885), (158, 115315310), (185, 98485508), (220, 82817359), (290, 62826962), (316, 57657655), (319, 57115420), (370, 49242754), (395, 46126124), (407, 44766140), (580, 31413481), (638, 28557710), (740, 24621377), (790, 23063062), (814, 22383070), (869, 20966420), (977, 18648740), (1073, 16980260), (1276, 14278855), (1580, 11531531), (1595, 11423084), (1628, 11191535), (1738, 10483210), (1954, 9324370), (2035, 8953228), (2146, 8490130), (2291, 7952780), (2923, 6233260), (3190, 5711542), (3476, 5241605), (3908, 4662185), (4070, 4476614), (4292, 4245065), (4345, 4193284), (4582, 3976390), (4885, 3729748), (5365, 3396052), (5846, 3116630), (6380, 2855771), (8140, 2238307), (8690, 2096642), (9164, 1988195), (9770, 1864874), (10730, 1698026), (10747, 1695340), (11455, 1590556), (11692, 1558315), (11803, 1543660), (14615, 1246652), (17380, 1048321), (19540, 932437), (21460, 849013), (21494, 847670), (22910, 795278), (23606, 771830), (25201, 722980), (28333, 643060), (29230, 623326), (32153, 566660), (36149, 504020), (42988, 423835), (45820, 397639), (47212, 385915), (50402, 361490), (53735, 339068), (56666, 321530), (58460, 311663), (59015, 308732), (64306, 283330), (72298, 252010), (77183, 236060), (84767, 214940), (100804, 180745), (107470, 169534), (113332, 160765), (118030, 154366), (126005, 144596), (128612, 141665)]