19677190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6624

約数の個数: 32

約数和(自身を含む): 39807936

約数和(自身を除く): 20130746

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6581, 13162, 32905, 65810, 85553, 151363, 171106, 302726, 427765, 756815, 855530, 1513630, 1967719, 3935438, 9838595, 19677190]

約数ペア:

[(1, 19677190), (2, 9838595), (5, 3935438), (10, 1967719), (13, 1513630), (23, 855530), (26, 756815), (46, 427765), (65, 302726), (115, 171106), (130, 151363), (230, 85553), (299, 65810), (598, 32905), (1495, 13162), (2990, 6581)]