1915288520

素因数分解:

$2^3\times 5^1\times {\mathrm{47882213}}^1$

素因数の和:47882224

約数の個数: 16

約数和(自身を含む): 4309399260

約数和(自身を除く): 2394110740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47882213, 95764426, 191528852, 239411065, 383057704, 478822130, 957644260, 1915288520]

約数ペア:

[(1, 1915288520), (2, 957644260), (4, 478822130), (5, 383057704), (8, 239411065), (10, 191528852), (20, 95764426), (40, 47882213)]