18043809

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 28230048

約数和(自身を除く): 10186239

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 937, 2751, 2811, 6419, 6559, 19257, 19677, 45913, 122747, 137739, 368241, 859229, 2577687, 6014603, 18043809]

約数ペア:

[(1, 18043809), (3, 6014603), (7, 2577687), (21, 859229), (49, 368241), (131, 137739), (147, 122747), (393, 45913), (917, 19677), (937, 19257), (2751, 6559), (2811, 6419)]