19210040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1697}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 43400880

約数和(自身を除く): 24190840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1697, 2264, 2830, 3394, 5660, 6788, 8485, 11320, 13576, 16970, 33940, 67880, 480251, 960502, 1921004, 2401255, 3842008, 4802510, 9605020, 19210040]

約数ペア:

[(1, 19210040), (2, 9605020), (4, 4802510), (5, 3842008), (8, 2401255), (10, 1921004), (20, 960502), (40, 480251), (283, 67880), (566, 33940), (1132, 16970), (1415, 13576), (1697, 11320), (2264, 8485), (2830, 6788), (3394, 5660)]