19810023123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{348811}}^1$

素因数の和:350546

約数の個数: 16

約数和(自身を含む): 28831404672

約数和(自身を除く): 9021381549

約数列:

[1, 3, 11, 33, 1721, 5163, 18931, 56793, 348811, 1046433, 3836921, 11510763, 600303731, 1800911193, 6603341041, 19810023123]

約数ペア:

[(1, 19810023123), (3, 6603341041), (11, 1800911193), (33, 600303731), (1721, 11510763), (5163, 3836921), (18931, 1046433), (56793, 348811)]