18181890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{202021}}^1$

素因数の和:202034

約数の個数: 24

約数和(自身を含む): 47273148

約数和(自身を除く): 29091258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 202021, 404042, 606063, 1010105, 1212126, 1818189, 2020210, 3030315, 3636378, 6060630, 9090945, 18181890]

約数ペア:

[(1, 18181890), (2, 9090945), (3, 6060630), (5, 3636378), (6, 3030315), (9, 2020210), (10, 1818189), (15, 1212126), (18, 1010105), (30, 606063), (45, 404042), (90, 202021)]