18404540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 192

約数和(自身を含む): 55157760

約数和(自身を除く): 36753220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 19, 20, 22, 28, 34, 35, 37, 38, 44, 55, 68, 70, 74, 76, 77, 85, 95, 110, 119, 133, 140, 148, 154, 170, 185, 187, 190, 209, 220, 238, 259, 266, 308, 323, 340, 370, 374, 380, 385, 407, 418, 476, 518, 532, 595, 629, 646, 665, 703, 740, 748, 770, 814, 836, 935, 1036, 1045, 1190, 1258, 1292, 1295, 1309, 1330, 1406, 1463, 1540, 1615, 1628, 1870, 2035, 2090, 2261, 2380, 2516, 2590, 2618, 2660, 2812, 2849, 2926, 3145, 3230, 3515, 3553, 3740, 4070, 4180, 4403, 4522, 4921, 5180, 5236, 5698, 5852, 6290, 6460, 6545, 6919, 7030, 7106, 7315, 7733, 8140, 8806, 9044, 9842, 11305, 11396, 11951, 12580, 13090, 13838, 14060, 14212, 14245, 14630, 15466, 17612, 17765, 19684, 22015, 22610, 23902, 24605, 24871, 26180, 27676, 28490, 29260, 30932, 34595, 35530, 38665, 44030, 45220, 47804, 48433, 49210, 49742, 54131, 56980, 59755, 69190, 71060, 77330, 83657, 88060, 96866, 98420, 99484, 108262, 119510, 124355, 131461, 138380, 154660, 167314, 193732, 216524, 239020, 242165, 248710, 262922, 270655, 334628, 418285, 484330, 497420, 525844, 541310, 657305, 836570, 920227, 968660, 1082620, 1314610, 1673140, 1840454, 2629220, 3680908, 4601135, 9202270, 18404540]

約数ペア:

[(1, 18404540), (2, 9202270), (4, 4601135), (5, 3680908), (7, 2629220), (10, 1840454), (11, 1673140), (14, 1314610), (17, 1082620), (19, 968660), (20, 920227), (22, 836570), (28, 657305), (34, 541310), (35, 525844), (37, 497420), (38, 484330), (44, 418285), (55, 334628), (68, 270655), (70, 262922), (74, 248710), (76, 242165), (77, 239020), (85, 216524), (95, 193732), (110, 167314), (119, 154660), (133, 138380), (140, 131461), (148, 124355), (154, 119510), (170, 108262), (185, 99484), (187, 98420), (190, 96866), (209, 88060), (220, 83657), (238, 77330), (259, 71060), (266, 69190), (308, 59755), (323, 56980), (340, 54131), (370, 49742), (374, 49210), (380, 48433), (385, 47804), (407, 45220), (418, 44030), (476, 38665), (518, 35530), (532, 34595), (595, 30932), (629, 29260), (646, 28490), (665, 27676), (703, 26180), (740, 24871), (748, 24605), (770, 23902), (814, 22610), (836, 22015), (935, 19684), (1036, 17765), (1045, 17612), (1190, 15466), (1258, 14630), (1292, 14245), (1295, 14212), (1309, 14060), (1330, 13838), (1406, 13090), (1463, 12580), (1540, 11951), (1615, 11396), (1628, 11305), (1870, 9842), (2035, 9044), (2090, 8806), (2261, 8140), (2380, 7733), (2516, 7315), (2590, 7106), (2618, 7030), (2660, 6919), (2812, 6545), (2849, 6460), (2926, 6290), (3145, 5852), (3230, 5698), (3515, 5236), (3553, 5180), (3740, 4921), (4070, 4522), (4180, 4403)]