18545872

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2081}}^1$

素因数の和:2646

約数の個数: 20

約数和(自身を含む): 36014436

約数和(自身を除く): 17468564

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2081, 2228, 4162, 4456, 8324, 8912, 16648, 33296, 1159117, 2318234, 4636468, 9272936, 18545872]

約数ペア:

[(1, 18545872), (2, 9272936), (4, 4636468), (8, 2318234), (16, 1159117), (557, 33296), (1114, 16648), (2081, 8912), (2228, 8324), (4162, 4456)]