18131924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 32938248

約数和(自身を除く): 14806324

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1213, 2426, 3737, 4852, 7474, 14948, 44881, 89762, 122513, 179524, 245026, 490052, 4532981, 9065962, 18131924]

約数ペア:

[(1, 18131924), (2, 9065962), (4, 4532981), (37, 490052), (74, 245026), (101, 179524), (148, 122513), (202, 89762), (404, 44881), (1213, 14948), (2426, 7474), (3737, 4852)]