18869530

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4129}}^1$

素因数の和:4593

約数の個数: 16

約数和(自身を含む): 34047720

約数和(自身を除く): 15178190

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4129, 4570, 8258, 20645, 41290, 1886953, 3773906, 9434765, 18869530]

約数ペア:

[(1, 18869530), (2, 9434765), (5, 3773906), (10, 1886953), (457, 41290), (914, 20645), (2285, 8258), (4129, 4570)]