19705754

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 24

約数和(自身を含む): 31800288

約数和(自身を除く): 12094534

約数列:

[1, 2, 17, 34, 103, 206, 289, 331, 578, 662, 1751, 3502, 5627, 11254, 29767, 34093, 59534, 68186, 95659, 191318, 579581, 1159162, 9852877, 19705754]

約数ペア:

[(1, 19705754), (2, 9852877), (17, 1159162), (34, 579581), (103, 191318), (206, 95659), (289, 68186), (331, 59534), (578, 34093), (662, 29767), (1751, 11254), (3502, 5627)]