18616378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20639}}^1$

素因数の和:20693

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 12591302

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20639, 41278, 227029, 454058, 846199, 1692398, 9308189, 18616378]

約数ペア:

[(1, 18616378), (2, 9308189), (11, 1692398), (22, 846199), (41, 454058), (82, 227029), (451, 41278), (902, 20639)]