19396760

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2803}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 43910640

約数和(自身を除く): 24513880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2803, 3460, 5606, 6920, 11212, 14015, 22424, 28030, 56060, 112120, 484919, 969838, 1939676, 2424595, 3879352, 4849190, 9698380, 19396760]

約数ペア:

[(1, 19396760), (2, 9698380), (4, 4849190), (5, 3879352), (8, 2424595), (10, 1939676), (20, 969838), (40, 484919), (173, 112120), (346, 56060), (692, 28030), (865, 22424), (1384, 14015), (1730, 11212), (2803, 6920), (3460, 5606)]