19884118

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8237}}^1$

素因数の和:8327

約数の個数: 16

約数和(自身を含む): 32029344

約数和(自身を除く): 12145226

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8237, 16474, 140029, 280058, 584827, 1169654, 9942059, 19884118]

約数ペア:

[(1, 19884118), (2, 9942059), (17, 1169654), (34, 584827), (71, 280058), (142, 140029), (1207, 16474), (2414, 8237)]