18129909

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6211}}^1$

素因数の和:6360

約数の個数: 16

約数和(自身を含む): 27829760

約数和(自身を除く): 9699851

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6211, 18633, 43477, 130431, 863329, 2589987, 6043303, 18129909]

約数ペア:

[(1, 18129909), (3, 6043303), (7, 2589987), (21, 863329), (139, 130431), (417, 43477), (973, 18633), (2919, 6211)]