19884510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220939}}^1$

素因数の和:220952

約数の個数: 24

約数和(自身を含む): 51699960

約数和(自身を除く): 31815450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220939, 441878, 662817, 1104695, 1325634, 1988451, 2209390, 3314085, 3976902, 6628170, 9942255, 19884510]

約数ペア:

[(1, 19884510), (2, 9942255), (3, 6628170), (5, 3976902), (6, 3314085), (9, 2209390), (10, 1988451), (15, 1325634), (18, 1104695), (30, 662817), (45, 441878), (90, 220939)]