18903544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1901}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 39029040

約数和(自身を除く): 20125496

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1901, 2486, 3802, 4972, 7604, 9944, 15208, 20911, 41822, 83644, 167288, 214813, 429626, 859252, 1718504, 2362943, 4725886, 9451772, 18903544]

約数ペア:

[(1, 18903544), (2, 9451772), (4, 4725886), (8, 2362943), (11, 1718504), (22, 859252), (44, 429626), (88, 214813), (113, 167288), (226, 83644), (452, 41822), (904, 20911), (1243, 15208), (1901, 9944), (2486, 7604), (3802, 4972)]