18995416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215857}}^1$

素因数の和:215874

約数の個数: 16

約数和(自身を含む): 38854440

約数和(自身を除く): 19859024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215857, 431714, 863428, 1726856, 2374427, 4748854, 9497708, 18995416]

約数ペア:

[(1, 18995416), (2, 9497708), (4, 4748854), (8, 2374427), (11, 1726856), (22, 863428), (44, 431714), (88, 215857)]