19885348

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4357}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 40023872

約数和(自身を除く): 20138524

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4357, 4564, 8714, 17428, 30499, 60998, 121996, 710191, 1420382, 2840764, 4971337, 9942674, 19885348]

約数ペア:

[(1, 19885348), (2, 9942674), (4, 4971337), (7, 2840764), (14, 1420382), (28, 710191), (163, 121996), (326, 60998), (652, 30499), (1141, 17428), (2282, 8714), (4357, 4564)]