18863079

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 26202720

約数和(自身を除く): 7339641

約数列:

[1, 3, 29, 87, 157, 471, 1381, 4143, 4553, 13659, 40049, 120147, 216817, 650451, 6287693, 18863079]

約数ペア:

[(1, 18863079), (3, 6287693), (29, 650451), (87, 216817), (157, 120147), (471, 40049), (1381, 13659), (4143, 4553)]