18811890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{209021}}^1$

素因数の和:209034

約数の個数: 24

約数和(自身を含む): 48911148

約数和(自身を除く): 30099258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 209021, 418042, 627063, 1045105, 1254126, 1881189, 2090210, 3135315, 3762378, 6270630, 9405945, 18811890]

約数ペア:

[(1, 18811890), (2, 9405945), (3, 6270630), (5, 3762378), (6, 3135315), (9, 2090210), (10, 1881189), (15, 1254126), (18, 1045105), (30, 627063), (45, 418042), (90, 209021)]