19923788144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95787443}}^1$

素因数の和:95787464

約数の個数: 20

約数和(自身を含む): 41571750696

約数和(自身を除く): 21647962552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95787443, 191574886, 383149772, 766299544, 1245236759, 1532599088, 2490473518, 4980947036, 9961894072, 19923788144]

約数ペア:

[(1, 19923788144), (2, 9961894072), (4, 4980947036), (8, 2490473518), (13, 1532599088), (16, 1245236759), (26, 766299544), (52, 383149772), (104, 191574886), (208, 95787443)]