19767056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72673}}^1$

素因数の和:72698

約数の個数: 20

約数和(自身を含む): 40552092

約数和(自身を除く): 20785036

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72673, 145346, 290692, 581384, 1162768, 1235441, 2470882, 4941764, 9883528, 19767056]

約数ペア:

[(1, 19767056), (2, 9883528), (4, 4941764), (8, 2470882), (16, 1235441), (17, 1162768), (34, 581384), (68, 290692), (136, 145346), (272, 72673)]