18509984

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8147}}^1$

素因数の和:8228

約数の個数: 24

約数和(自身を含む): 36959328

約数和(自身を除く): 18449344

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8147, 16294, 32588, 65176, 130352, 260704, 578437, 1156874, 2313748, 4627496, 9254992, 18509984]

約数ペア:

[(1, 18509984), (2, 9254992), (4, 4627496), (8, 2313748), (16, 1156874), (32, 578437), (71, 260704), (142, 130352), (284, 65176), (568, 32588), (1136, 16294), (2272, 8147)]