18212145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5981}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 34456320

約数和(自身を除く): 16244175

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 5981, 17943, 29905, 41867, 89715, 125601, 173449, 209335, 520347, 628005, 867245, 1214143, 2601735, 3642429, 6070715, 18212145]

約数ペア:

[(1, 18212145), (3, 6070715), (5, 3642429), (7, 2601735), (15, 1214143), (21, 867245), (29, 628005), (35, 520347), (87, 209335), (105, 173449), (145, 125601), (203, 89715), (435, 41867), (609, 29905), (1015, 17943), (3045, 5981)]