19353897

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:3990

約数の個数: 20

約数和(自身を含む): 29392836

約数和(自身を除く): 10038939

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3917, 4941, 11751, 35253, 105759, 238937, 317277, 716811, 2150433, 6451299, 19353897]

約数ペア:

[(1, 19353897), (3, 6451299), (9, 2150433), (27, 716811), (61, 317277), (81, 238937), (183, 105759), (549, 35253), (1647, 11751), (3917, 4941)]