17823728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85691}}^1$

素因数の和:85712

約数の個数: 20

約数和(自身を含む): 37190328

約数和(自身を除く): 19366600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85691, 171382, 342764, 685528, 1113983, 1371056, 2227966, 4455932, 8911864, 17823728]

約数ペア:

[(1, 17823728), (2, 8911864), (4, 4455932), (8, 2227966), (13, 1371056), (16, 1113983), (26, 685528), (52, 342764), (104, 171382), (208, 85691)]