19873265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 26438400

約数和(自身を除く): 6565135

約数列:

[1, 5, 23, 29, 59, 101, 115, 145, 295, 505, 667, 1357, 1711, 2323, 2929, 3335, 5959, 6785, 8555, 11615, 14645, 29795, 39353, 67367, 137057, 172811, 196765, 336835, 685285, 864055, 3974653, 19873265]

約数ペア:

[(1, 19873265), (5, 3974653), (23, 864055), (29, 685285), (59, 336835), (101, 196765), (115, 172811), (145, 137057), (295, 67367), (505, 39353), (667, 29795), (1357, 14645), (1711, 11615), (2323, 8555), (2929, 6785), (3335, 5959)]