18402705

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4049}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 32221800

約数和(自身を除く): 13819095

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4049, 4545, 12147, 20245, 36441, 60735, 182205, 408949, 1226847, 2044745, 3680541, 6134235, 18402705]

約数ペア:

[(1, 18402705), (3, 6134235), (5, 3680541), (9, 2044745), (15, 1226847), (45, 408949), (101, 182205), (303, 60735), (505, 36441), (909, 20245), (1515, 12147), (4049, 4545)]