19809208

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{66923}}^1$

素因数の和:66966

約数の個数: 16

約数和(自身を含む): 38146680

約数和(自身を除く): 18337472

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 66923, 133846, 267692, 535384, 2476151, 4952302, 9904604, 19809208]

約数ペア:

[(1, 19809208), (2, 9904604), (4, 4952302), (8, 2476151), (37, 535384), (74, 267692), (148, 133846), (296, 66923)]