18816570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{69691}}^1$

素因数の和:69707

約数の個数: 32

約数和(自身を含む): 50178240

約数和(自身を除く): 31361670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 69691, 139382, 209073, 348455, 418146, 627219, 696910, 1045365, 1254438, 1881657, 2090730, 3136095, 3763314, 6272190, 9408285, 18816570]

約数ペア:

[(1, 18816570), (2, 9408285), (3, 6272190), (5, 3763314), (6, 3136095), (9, 2090730), (10, 1881657), (15, 1254438), (18, 1045365), (27, 696910), (30, 627219), (45, 418146), (54, 348455), (90, 209073), (135, 139382), (270, 69691)]