18538290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{205981}}^1$

素因数の和:205994

約数の個数: 24

約数和(自身を含む): 48199788

約数和(自身を除く): 29661498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 205981, 411962, 617943, 1029905, 1235886, 1853829, 2059810, 3089715, 3707658, 6179430, 9269145, 18538290]

約数ペア:

[(1, 18538290), (2, 9269145), (3, 6179430), (5, 3707658), (6, 3089715), (9, 2059810), (10, 1853829), (15, 1235886), (18, 1029905), (30, 617943), (45, 411962), (90, 205981)]