19335760

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 45175680

約数和(自身を除く): 25839920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 919, 1052, 1315, 1838, 2104, 2630, 3676, 4208, 4595, 5260, 7352, 9190, 10520, 14704, 18380, 21040, 36760, 73520, 241697, 483394, 966788, 1208485, 1933576, 2416970, 3867152, 4833940, 9667880, 19335760]

約数ペア:

[(1, 19335760), (2, 9667880), (4, 4833940), (5, 3867152), (8, 2416970), (10, 1933576), (16, 1208485), (20, 966788), (40, 483394), (80, 241697), (263, 73520), (526, 36760), (919, 21040), (1052, 18380), (1315, 14704), (1838, 10520), (2104, 9190), (2630, 7352), (3676, 5260), (4208, 4595)]