19774570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 37911888

約数和(自身を除く): 18137318

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 293, 397, 586, 794, 1465, 1985, 2930, 3970, 4981, 6749, 9962, 13498, 24905, 33745, 49810, 67490, 116321, 232642, 581605, 1163210, 1977457, 3954914, 9887285, 19774570]

約数ペア:

[(1, 19774570), (2, 9887285), (5, 3954914), (10, 1977457), (17, 1163210), (34, 581605), (85, 232642), (170, 116321), (293, 67490), (397, 49810), (586, 33745), (794, 24905), (1465, 13498), (1985, 9962), (2930, 6749), (3970, 4981)]