19831820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52189}}^1$

素因数の和:52217

約数の個数: 24

約数和(自身を含む): 43839600

約数和(自身を除く): 24007780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52189, 104378, 208756, 260945, 521890, 991591, 1043780, 1983182, 3966364, 4957955, 9915910, 19831820]

約数ペア:

[(1, 19831820), (2, 9915910), (4, 4957955), (5, 3966364), (10, 1983182), (19, 1043780), (20, 991591), (38, 521890), (76, 260945), (95, 208756), (190, 104378), (380, 52189)]