19896175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 27498240

約数和(自身を除く): 7602065

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2111, 9425, 10555, 27443, 52775, 61219, 137215, 306095, 686075, 795847, 1530475, 3979235, 19896175]

約数ペア:

[(1, 19896175), (5, 3979235), (13, 1530475), (25, 795847), (29, 686075), (65, 306095), (145, 137215), (325, 61219), (377, 52775), (725, 27443), (1885, 10555), (2111, 9425)]