19745638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39023}}^1$

素因数の和:39059

約数の個数: 16

約数和(自身を含む): 33716736

約数和(自身を除く): 13971098

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39023, 78046, 429253, 858506, 897529, 1795058, 9872819, 19745638]

約数ペア:

[(1, 19745638), (2, 9872819), (11, 1795058), (22, 897529), (23, 858506), (46, 429253), (253, 78046), (506, 39023)]