18979394

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8317}}^1$

素因数の和:8489

約数の個数: 16

約数和(自身を含む): 32739648

約数和(自身を除く): 13760254

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 8317, 16634, 58219, 116438, 1355671, 2711342, 9489697, 18979394]

約数ペア:

[(1, 18979394), (2, 9489697), (7, 2711342), (14, 1355671), (163, 116438), (326, 58219), (1141, 16634), (2282, 8317)]