19644112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72221}}^1$

素因数の和:72246

約数の個数: 20

約数和(自身を含む): 40299876

約数和(自身を除く): 20655764

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72221, 144442, 288884, 577768, 1155536, 1227757, 2455514, 4911028, 9822056, 19644112]

約数ペア:

[(1, 19644112), (2, 9822056), (4, 4911028), (8, 2455514), (16, 1227757), (17, 1155536), (34, 577768), (68, 288884), (136, 144442), (272, 72221)]