19687156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3253}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 36900360

約数和(自身を除く): 17213204

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3253, 6052, 6506, 13012, 55301, 110602, 221204, 289517, 579034, 1158068, 4921789, 9843578, 19687156]

約数ペア:

[(1, 19687156), (2, 9843578), (4, 4921789), (17, 1158068), (34, 579034), (68, 289517), (89, 221204), (178, 110602), (356, 55301), (1513, 13012), (3026, 6506), (3253, 6052)]