19243860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 54096000

約数和(自身を除く): 34852140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 919, 1047, 1396, 1745, 1838, 2094, 2757, 3490, 3676, 4188, 4595, 5235, 5514, 6980, 9190, 10470, 11028, 13785, 18380, 20940, 27570, 55140, 320731, 641462, 962193, 1282924, 1603655, 1924386, 3207310, 3848772, 4810965, 6414620, 9621930, 19243860]

約数ペア:

[(1, 19243860), (2, 9621930), (3, 6414620), (4, 4810965), (5, 3848772), (6, 3207310), (10, 1924386), (12, 1603655), (15, 1282924), (20, 962193), (30, 641462), (60, 320731), (349, 55140), (698, 27570), (919, 20940), (1047, 18380), (1396, 13785), (1745, 11028), (1838, 10470), (2094, 9190), (2757, 6980), (3490, 5514), (3676, 5235), (4188, 4595)]