18773918

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 28782000

約数和(自身を除く): 10008082

約数列:

[1, 2, 59, 118, 389, 409, 778, 818, 22951, 24131, 45902, 48262, 159101, 318202, 9386959, 18773918]

約数ペア:

[(1, 18773918), (2, 9386959), (59, 318202), (118, 159101), (389, 48262), (409, 45902), (778, 24131), (818, 22951)]