18940808435

素因数分解:

$5^1\times {\mathrm{1321}}^1\times {\mathrm{1327}}^1\times {\mathrm{2161}}^1$

素因数の和:4814

約数の個数: 16

約数和(自身を含む): 22773850752

約数和(自身を除く): 3833042317

約数列:

[1, 5, 1321, 1327, 2161, 6605, 6635, 10805, 1752967, 2854681, 2867647, 8764835, 14273405, 14338235, 3788161687, 18940808435]

約数ペア:

[(1, 18940808435), (5, 3788161687), (1321, 14338235), (1327, 14273405), (2161, 8764835), (6605, 2867647), (6635, 2854681), (10805, 1752967)]