18678805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2027}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 23849280

約数和(自身を除く): 5170475

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2027, 9215, 10135, 38513, 192565, 196619, 983095, 3735761, 18678805]

約数ペア:

[(1, 18678805), (5, 3735761), (19, 983095), (95, 196619), (97, 192565), (485, 38513), (1843, 10135), (2027, 9215)]