18478490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 35724240

約数和(自身を除く): 17245750

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1489, 2482, 2978, 6205, 7445, 12410, 14890, 25313, 50626, 108697, 126565, 217394, 253130, 543485, 1086970, 1847849, 3695698, 9239245, 18478490]

約数ペア:

[(1, 18478490), (2, 9239245), (5, 3695698), (10, 1847849), (17, 1086970), (34, 543485), (73, 253130), (85, 217394), (146, 126565), (170, 108697), (365, 50626), (730, 25313), (1241, 14890), (1489, 12410), (2482, 7445), (2978, 6205)]