19187127

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 28723136

約数和(自身を除く): 9536009

約数列:

[1, 3, 9, 37, 111, 157, 333, 367, 471, 1101, 1413, 3303, 5809, 13579, 17427, 40737, 52281, 57619, 122211, 172857, 518571, 2131903, 6395709, 19187127]

約数ペア:

[(1, 19187127), (3, 6395709), (9, 2131903), (37, 518571), (111, 172857), (157, 122211), (333, 57619), (367, 52281), (471, 40737), (1101, 17427), (1413, 13579), (3303, 5809)]