18790812

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 48978720

約数和(自身を除く): 30187908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 677, 771, 1028, 1354, 1542, 2031, 2313, 2708, 3084, 4062, 4626, 6093, 6939, 8124, 9252, 12186, 13878, 18279, 24372, 27756, 36558, 73116, 173989, 347978, 521967, 695956, 1043934, 1565901, 2087868, 3131802, 4697703, 6263604, 9395406, 18790812]

約数ペア:

[(1, 18790812), (2, 9395406), (3, 6263604), (4, 4697703), (6, 3131802), (9, 2087868), (12, 1565901), (18, 1043934), (27, 695956), (36, 521967), (54, 347978), (108, 173989), (257, 73116), (514, 36558), (677, 27756), (771, 24372), (1028, 18279), (1354, 13878), (1542, 12186), (2031, 9252), (2313, 8124), (2708, 6939), (3084, 6093), (4062, 4626)]