17920990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{94321}}^1$

素因数の和:94347

約数の個数: 16

約数和(自身を含む): 33955920

約数和(自身を除く): 16034930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 94321, 188642, 471605, 943210, 1792099, 3584198, 8960495, 17920990]

約数ペア:

[(1, 17920990), (2, 8960495), (5, 3584198), (10, 1792099), (19, 943210), (38, 471605), (95, 188642), (190, 94321)]