19918530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221317}}^1$

素因数の和:221330

約数の個数: 24

約数和(自身を含む): 51788412

約数和(自身を除く): 31869882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221317, 442634, 663951, 1106585, 1327902, 1991853, 2213170, 3319755, 3983706, 6639510, 9959265, 19918530]

約数ペア:

[(1, 19918530), (2, 9959265), (3, 6639510), (5, 3983706), (6, 3319755), (9, 2213170), (10, 1991853), (15, 1327902), (18, 1106585), (30, 663951), (45, 442634), (90, 221317)]