19477580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57287}}^1$

素因数の和:57313

約数の個数: 24

約数和(自身を含む): 43309728

約数和(自身を除く): 23832148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57287, 114574, 229148, 286435, 572870, 973879, 1145740, 1947758, 3895516, 4869395, 9738790, 19477580]

約数ペア:

[(1, 19477580), (2, 9738790), (4, 4869395), (5, 3895516), (10, 1947758), (17, 1145740), (20, 973879), (34, 572870), (68, 286435), (85, 229148), (170, 114574), (340, 57287)]