19696690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1594

約数の個数: 32

約数和(自身を含む): 38578176

約数和(自身を除く): 18881486

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1471, 2678, 2942, 6695, 7355, 13390, 14710, 19123, 38246, 95615, 151513, 191230, 303026, 757565, 1515130, 1969669, 3939338, 9848345, 19696690]

約数ペア:

[(1, 19696690), (2, 9848345), (5, 3939338), (10, 1969669), (13, 1515130), (26, 757565), (65, 303026), (103, 191230), (130, 151513), (206, 95615), (515, 38246), (1030, 19123), (1339, 14710), (1471, 13390), (2678, 7355), (2942, 6695)]