18797240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 37189960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 359, 374, 385, 440, 476, 595, 616, 680, 718, 748, 770, 935, 952, 1190, 1309, 1436, 1496, 1540, 1795, 1870, 2380, 2513, 2618, 2872, 3080, 3590, 3740, 3949, 4760, 5026, 5236, 6103, 6545, 7180, 7480, 7898, 10052, 10472, 12206, 12565, 13090, 14360, 15796, 19745, 20104, 24412, 25130, 26180, 27643, 30515, 31592, 39490, 42721, 48824, 50260, 52360, 55286, 61030, 67133, 78980, 85442, 100520, 110572, 122060, 134266, 138215, 157960, 170884, 213605, 221144, 244120, 268532, 276430, 335665, 341768, 427210, 469931, 537064, 552860, 671330, 854420, 939862, 1105720, 1342660, 1708840, 1879724, 2349655, 2685320, 3759448, 4699310, 9398620, 18797240]

約数ペア:

[(1, 18797240), (2, 9398620), (4, 4699310), (5, 3759448), (7, 2685320), (8, 2349655), (10, 1879724), (11, 1708840), (14, 1342660), (17, 1105720), (20, 939862), (22, 854420), (28, 671330), (34, 552860), (35, 537064), (40, 469931), (44, 427210), (55, 341768), (56, 335665), (68, 276430), (70, 268532), (77, 244120), (85, 221144), (88, 213605), (110, 170884), (119, 157960), (136, 138215), (140, 134266), (154, 122060), (170, 110572), (187, 100520), (220, 85442), (238, 78980), (280, 67133), (308, 61030), (340, 55286), (359, 52360), (374, 50260), (385, 48824), (440, 42721), (476, 39490), (595, 31592), (616, 30515), (680, 27643), (718, 26180), (748, 25130), (770, 24412), (935, 20104), (952, 19745), (1190, 15796), (1309, 14360), (1436, 13090), (1496, 12565), (1540, 12206), (1795, 10472), (1870, 10052), (2380, 7898), (2513, 7480), (2618, 7180), (2872, 6545), (3080, 6103), (3590, 5236), (3740, 5026), (3949, 4760)]