18681304

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{3643}}^1$

素因数の和:4290

約数の個数: 16

約数和(自身を含む): 35091720

約数和(自身を除く): 16410416

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 3643, 5128, 7286, 14572, 29144, 2335163, 4670326, 9340652, 18681304]

約数ペア:

[(1, 18681304), (2, 9340652), (4, 4670326), (8, 2335163), (641, 29144), (1282, 14572), (2564, 7286), (3643, 5128)]