19005390140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{32587}}^1$

素因数の和:32859

約数の個数: 72

約数和(自身を含む): 44052849456

約数和(自身を除く): 25047459316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 241, 242, 482, 484, 605, 964, 1205, 1210, 2410, 2420, 2651, 4820, 5302, 10604, 13255, 26510, 29161, 32587, 53020, 58322, 65174, 116644, 130348, 145805, 162935, 291610, 325870, 358457, 583220, 651740, 716914, 1433828, 1792285, 3584570, 3943027, 7169140, 7853467, 7886054, 15706934, 15772108, 19715135, 31413868, 39267335, 39430270, 78534670, 78860540, 86388137, 157069340, 172776274, 345552548, 431940685, 863881370, 950269507, 1727762740, 1900539014, 3801078028, 4751347535, 9502695070, 19005390140]

約数ペア:

[(1, 19005390140), (2, 9502695070), (4, 4751347535), (5, 3801078028), (10, 1900539014), (11, 1727762740), (20, 950269507), (22, 863881370), (44, 431940685), (55, 345552548), (110, 172776274), (121, 157069340), (220, 86388137), (241, 78860540), (242, 78534670), (482, 39430270), (484, 39267335), (605, 31413868), (964, 19715135), (1205, 15772108), (1210, 15706934), (2410, 7886054), (2420, 7853467), (2651, 7169140), (4820, 3943027), (5302, 3584570), (10604, 1792285), (13255, 1433828), (26510, 716914), (29161, 651740), (32587, 583220), (53020, 358457), (58322, 325870), (65174, 291610), (116644, 162935), (130348, 145805)]