18506960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3169}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 43631880

約数和(自身を除く): 25124920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3169, 5840, 6338, 12676, 15845, 25352, 31690, 50704, 63380, 126760, 231337, 253520, 462674, 925348, 1156685, 1850696, 2313370, 3701392, 4626740, 9253480, 18506960]

約数ペア:

[(1, 18506960), (2, 9253480), (4, 4626740), (5, 3701392), (8, 2313370), (10, 1850696), (16, 1156685), (20, 925348), (40, 462674), (73, 253520), (80, 231337), (146, 126760), (292, 63380), (365, 50704), (584, 31690), (730, 25352), (1168, 15845), (1460, 12676), (2920, 6338), (3169, 5840)]