18683670128

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4885897}}^1$

素因数の和:4886144

約数の個数: 20

約数和(自身を含む): 36351081120

約数和(自身を除く): 17667410992

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4885897, 9771794, 19543588, 39087176, 78174352, 1167729383, 2335458766, 4670917532, 9341835064, 18683670128]

約数ペア:

[(1, 18683670128), (2, 9341835064), (4, 4670917532), (8, 2335458766), (16, 1167729383), (239, 78174352), (478, 39087176), (956, 19543588), (1912, 9771794), (3824, 4885897)]