18639994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4289}}^1$

素因数の和:4385

約数の個数: 16

約数和(自身を含む): 29189160

約数和(自身を除く): 10549166

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4289, 4346, 8578, 175849, 227317, 351698, 454634, 9319997, 18639994]

約数ペア:

[(1, 18639994), (2, 9319997), (41, 454634), (53, 351698), (82, 227317), (106, 175849), (2173, 8578), (4289, 4346)]