20181626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4523}}^1$

素因数の和:4645

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 11739718

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4523, 9046, 104029, 208058, 438731, 877462, 10090813, 20181626]

約数ペア:

[(1, 20181626), (2, 10090813), (23, 877462), (46, 438731), (97, 208058), (194, 104029), (2231, 9046), (4462, 4523)]