19512460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{733}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 45132192

約数和(自身を除く): 25619732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 733, 1210, 1331, 1466, 2420, 2662, 2932, 3665, 5324, 6655, 7330, 8063, 13310, 14660, 16126, 26620, 32252, 40315, 80630, 88693, 161260, 177386, 354772, 443465, 886930, 975623, 1773860, 1951246, 3902492, 4878115, 9756230, 19512460]

約数ペア:

[(1, 19512460), (2, 9756230), (4, 4878115), (5, 3902492), (10, 1951246), (11, 1773860), (20, 975623), (22, 886930), (44, 443465), (55, 354772), (110, 177386), (121, 161260), (220, 88693), (242, 80630), (484, 40315), (605, 32252), (733, 26620), (1210, 16126), (1331, 14660), (1466, 13310), (2420, 8063), (2662, 7330), (2932, 6655), (3665, 5324)]