18726732

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{809}}^1$

素因数の和:1462

約数の個数: 36

約数和(自身を含む): 47469240

約数和(自身を除く): 28742508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 809, 1286, 1618, 1929, 2427, 2572, 3236, 3858, 4854, 5787, 7281, 7716, 9708, 11574, 14562, 23148, 29124, 520187, 1040374, 1560561, 2080748, 3121122, 4681683, 6242244, 9363366, 18726732]

約数ペア:

[(1, 18726732), (2, 9363366), (3, 6242244), (4, 4681683), (6, 3121122), (9, 2080748), (12, 1560561), (18, 1040374), (36, 520187), (643, 29124), (809, 23148), (1286, 14562), (1618, 11574), (1929, 9708), (2427, 7716), (2572, 7281), (3236, 5787), (3858, 4854)]