18954584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215393}}^1$

素因数の和:215410

約数の個数: 16

約数和(自身を含む): 38770920

約数和(自身を除く): 19816336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215393, 430786, 861572, 1723144, 2369323, 4738646, 9477292, 18954584]

約数ペア:

[(1, 18954584), (2, 9477292), (4, 4738646), (8, 2369323), (11, 1723144), (22, 861572), (44, 430786), (88, 215393)]