19641392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72211}}^1$

素因数の和:72236

約数の個数: 20

約数和(自身を含む): 40294296

約数和(自身を除く): 20652904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72211, 144422, 288844, 577688, 1155376, 1227587, 2455174, 4910348, 9820696, 19641392]

約数ペア:

[(1, 19641392), (2, 9820696), (4, 4910348), (8, 2455174), (16, 1227587), (17, 1155376), (34, 577688), (68, 288844), (136, 144422), (272, 72211)]