19981036373210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{232581031}}^1$

素因数の和:232581131

約数の個数: 48

約数和(自身を含む): 40089527323776

約数和(自身を除く): 20108490950566

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 1210, 1562, 3905, 7810, 8591, 17182, 42955, 85910, 232581031, 465162062, 1162905155, 2325810310, 2558391341, 5116782682, 12791956705, 16513253201, 25583913410, 28142304751, 33026506402, 56284609502, 82566266005, 140711523755, 165132532010, 181645785211, 281423047510, 363291570422, 908228926055, 1816457852110, 1998103637321, 3996207274642, 9990518186605, 19981036373210]

約数ペア:

[(1, 19981036373210), (2, 9990518186605), (5, 3996207274642), (10, 1998103637321), (11, 1816457852110), (22, 908228926055), (55, 363291570422), (71, 281423047510), (110, 181645785211), (121, 165132532010), (142, 140711523755), (242, 82566266005), (355, 56284609502), (605, 33026506402), (710, 28142304751), (781, 25583913410), (1210, 16513253201), (1562, 12791956705), (3905, 5116782682), (7810, 2558391341), (8591, 2325810310), (17182, 1162905155), (42955, 465162062), (85910, 232581031)]