18998838

素因数分解:

$2^1\times 3^2\times {\mathrm{541}}^1\times {\mathrm{1951}}^1$

素因数の和:2500

約数の個数: 24

約数和(自身を含む): 41261376

約数和(自身を除く): 22262538

約数列:

[1, 2, 3, 6, 9, 18, 541, 1082, 1623, 1951, 3246, 3902, 4869, 5853, 9738, 11706, 17559, 35118, 1055491, 2110982, 3166473, 6332946, 9499419, 18998838]

約数ペア:

[(1, 18998838), (2, 9499419), (3, 6332946), (6, 3166473), (9, 2110982), (18, 1055491), (541, 35118), (1082, 17559), (1623, 11706), (1951, 9738), (3246, 5853), (3902, 4869)]