18999418

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 10091462

約数列:

[1, 2, 73, 146, 179, 358, 727, 1454, 13067, 26134, 53071, 106142, 130133, 260266, 9499709, 18999418]

約数ペア:

[(1, 18999418), (2, 9499709), (73, 260266), (146, 130133), (179, 106142), (358, 53071), (727, 26134), (1454, 13067)]