30420178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{18617}}^1$

素因数の和:18681

約数の個数: 16

約数和(自身を含む): 49151520

約数和(自身を除く): 18731342

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 18617, 37234, 353723, 707446, 800531, 1601062, 15210089, 30420178]

約数ペア:

[(1, 30420178), (2, 15210089), (19, 1601062), (38, 800531), (43, 707446), (86, 353723), (817, 37234), (1634, 18617)]