19477660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51257}}^1$

素因数の和:51285

約数の個数: 24

約数和(自身を含む): 43056720

約数和(自身を除く): 23579060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51257, 102514, 205028, 256285, 512570, 973883, 1025140, 1947766, 3895532, 4869415, 9738830, 19477660]

約数ペア:

[(1, 19477660), (2, 9738830), (4, 4869415), (5, 3895532), (10, 1947766), (19, 1025140), (20, 973883), (38, 512570), (76, 256285), (95, 205028), (190, 102514), (380, 51257)]