18973006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7523}}^1$

素因数の和:7635

約数の個数: 16

約数和(自身を含む): 30968784

約数和(自身を除く): 11995778

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 7523, 15046, 97799, 195598, 729731, 1459462, 9486503, 18973006]

約数ペア:

[(1, 18973006), (2, 9486503), (13, 1459462), (26, 729731), (97, 195598), (194, 97799), (1261, 15046), (2522, 7523)]