18719110

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11923}}^1$

素因数の和:12087

約数の個数: 16

約数和(自身を含む): 33911856

約数和(自身を除く): 15192746

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 11923, 23846, 59615, 119230, 1871911, 3743822, 9359555, 18719110]

約数ペア:

[(1, 18719110), (2, 9359555), (5, 3743822), (10, 1871911), (157, 119230), (314, 59615), (785, 23846), (1570, 11923)]