19510340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51343}}^1$

素因数の和:51371

約数の個数: 24

約数和(自身を含む): 43128960

約数和(自身を除く): 23618620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51343, 102686, 205372, 256715, 513430, 975517, 1026860, 1951034, 3902068, 4877585, 9755170, 19510340]

約数ペア:

[(1, 19510340), (2, 9755170), (4, 4877585), (5, 3902068), (10, 1951034), (19, 1026860), (20, 975517), (38, 513430), (76, 256715), (95, 205372), (190, 102686), (380, 51343)]