18675153

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1181}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 30977856

約数和(自身を除く): 12302703

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1181, 1757, 2259, 3543, 5271, 8267, 10629, 15813, 24801, 74403, 296431, 889293, 2075017, 2667879, 6225051, 18675153]

約数ペア:

[(1, 18675153), (3, 6225051), (7, 2667879), (9, 2075017), (21, 889293), (63, 296431), (251, 74403), (753, 24801), (1181, 15813), (1757, 10629), (2259, 8267), (3543, 5271)]