18965884

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23357}}^1$

素因数の和:23397

約数の個数: 24

約数和(自身を含む): 39241440

約数和(自身を除く): 20275556

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 23357, 46714, 93428, 163499, 326998, 653996, 677353, 1354706, 2709412, 4741471, 9482942, 18965884]

約数ペア:

[(1, 18965884), (2, 9482942), (4, 4741471), (7, 2709412), (14, 1354706), (28, 677353), (29, 653996), (58, 326998), (116, 163499), (203, 93428), (406, 46714), (812, 23357)]