18630664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{499}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 19169336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 499, 718, 998, 1436, 1996, 2872, 3992, 4667, 6487, 9334, 12974, 18668, 25948, 37336, 51896, 179141, 358282, 716564, 1433128, 2328833, 4657666, 9315332, 18630664]

約数ペア:

[(1, 18630664), (2, 9315332), (4, 4657666), (8, 2328833), (13, 1433128), (26, 716564), (52, 358282), (104, 179141), (359, 51896), (499, 37336), (718, 25948), (998, 18668), (1436, 12974), (1996, 9334), (2872, 6487), (3992, 4667)]