18808075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 24

約数和(自身を含む): 27404496

約数和(自身を除く): 8596421

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5261, 26305, 57871, 68393, 131525, 289355, 341965, 752323, 1446775, 1709825, 3761615, 18808075]

約数ペア:

[(1, 18808075), (5, 3761615), (11, 1709825), (13, 1446775), (25, 752323), (55, 341965), (65, 289355), (143, 131525), (275, 68393), (325, 57871), (715, 26305), (3575, 5261)]