18485360

素因数分解:

$2^4\times 5^1\times {\mathrm{231067}}^1$

素因数の和:231080

約数の個数: 20

約数和(自身を含む): 42978648

約数和(自身を除く): 24493288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231067, 462134, 924268, 1155335, 1848536, 2310670, 3697072, 4621340, 9242680, 18485360]

約数ペア:

[(1, 18485360), (2, 9242680), (4, 4621340), (5, 3697072), (8, 2310670), (10, 1848536), (16, 1155335), (20, 924268), (40, 462134), (80, 231067)]