18305417

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 21322560

約数和(自身を除く): 3017143

約数列:

[1, 13, 19, 37, 247, 481, 703, 2003, 9139, 26039, 38057, 74111, 494741, 963443, 1408109, 18305417]

約数ペア:

[(1, 18305417), (13, 1408109), (19, 963443), (37, 494741), (247, 74111), (481, 38057), (703, 26039), (2003, 9139)]