19405010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 16447534

約数列:

[1, 2, 5, 10, 71, 142, 151, 181, 302, 355, 362, 710, 755, 905, 1510, 1810, 10721, 12851, 21442, 25702, 27331, 53605, 54662, 64255, 107210, 128510, 136655, 273310, 1940501, 3881002, 9702505, 19405010]

約数ペア:

[(1, 19405010), (2, 9702505), (5, 3881002), (10, 1940501), (71, 273310), (142, 136655), (151, 128510), (181, 107210), (302, 64255), (355, 54662), (362, 53605), (710, 27331), (755, 25702), (905, 21442), (1510, 12851), (1810, 10721)]