19733872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72551}}^1$

素因数の和:72576

約数の個数: 20

約数和(自身を含む): 40484016

約数和(自身を除く): 20750144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72551, 145102, 290204, 580408, 1160816, 1233367, 2466734, 4933468, 9866936, 19733872]

約数ペア:

[(1, 19733872), (2, 9866936), (4, 4933468), (8, 2466734), (16, 1233367), (17, 1160816), (34, 580408), (68, 290204), (136, 145102), (272, 72551)]