19925156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4127}}^1$

素因数の和:4219

約数の個数: 24

約数和(自身を含む): 37449216

約数和(自身を除く): 17524060

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4127, 4828, 8254, 16508, 70159, 140318, 280636, 293017, 586034, 1172068, 4981289, 9962578, 19925156]

約数ペア:

[(1, 19925156), (2, 9962578), (4, 4981289), (17, 1172068), (34, 586034), (68, 293017), (71, 280636), (142, 140318), (284, 70159), (1207, 16508), (2414, 8254), (4127, 4828)]