19164760

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1693}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 43298640

約数和(自身を除く): 24133880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 1693, 2264, 2830, 3386, 5660, 6772, 8465, 11320, 13544, 16930, 33860, 67720, 479119, 958238, 1916476, 2395595, 3832952, 4791190, 9582380, 19164760]

約数ペア:

[(1, 19164760), (2, 9582380), (4, 4791190), (5, 3832952), (8, 2395595), (10, 1916476), (20, 958238), (40, 479119), (283, 67720), (566, 33860), (1132, 16930), (1415, 13544), (1693, 11320), (2264, 8465), (2830, 6772), (3386, 5660)]