19311640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1523}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 43616880

約数和(自身を除く): 24305240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1523, 1585, 2536, 3046, 3170, 6092, 6340, 7615, 12184, 12680, 15230, 30460, 60920, 482791, 965582, 1931164, 2413955, 3862328, 4827910, 9655820, 19311640]

約数ペア:

[(1, 19311640), (2, 9655820), (4, 4827910), (5, 3862328), (8, 2413955), (10, 1931164), (20, 965582), (40, 482791), (317, 60920), (634, 30460), (1268, 15230), (1523, 12680), (1585, 12184), (2536, 7615), (3046, 6340), (3170, 6092)]