18272840

素因数分解:

$2^3\times 5^1\times {\mathrm{456821}}^1$

素因数の和:456832

約数の個数: 16

約数和(自身を含む): 41113980

約数和(自身を除く): 22841140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 456821, 913642, 1827284, 2284105, 3654568, 4568210, 9136420, 18272840]

約数ペア:

[(1, 18272840), (2, 9136420), (4, 4568210), (5, 3654568), (8, 2284105), (10, 1827284), (20, 913642), (40, 456821)]