18720510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32843}}^1$

素因数の和:32872

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 28574850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 32843, 65686, 98529, 164215, 197058, 328430, 492645, 624017, 985290, 1248034, 1872051, 3120085, 3744102, 6240170, 9360255, 18720510]

約数ペア:

[(1, 18720510), (2, 9360255), (3, 6240170), (5, 3744102), (6, 3120085), (10, 1872051), (15, 1248034), (19, 985290), (30, 624017), (38, 492645), (57, 328430), (95, 197058), (114, 164215), (190, 98529), (285, 65686), (570, 32843)]