19624620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{863}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 35533140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 863, 1137, 1516, 1726, 1895, 2274, 2589, 3452, 3790, 4315, 4548, 5178, 5685, 7580, 8630, 10356, 11370, 12945, 17260, 22740, 25890, 51780, 327077, 654154, 981231, 1308308, 1635385, 1962462, 3270770, 3924924, 4906155, 6541540, 9812310, 19624620]

約数ペア:

[(1, 19624620), (2, 9812310), (3, 6541540), (4, 4906155), (5, 3924924), (6, 3270770), (10, 1962462), (12, 1635385), (15, 1308308), (20, 981231), (30, 654154), (60, 327077), (379, 51780), (758, 25890), (863, 22740), (1137, 17260), (1516, 12945), (1726, 11370), (1895, 10356), (2274, 8630), (2589, 7580), (3452, 5685), (3790, 5178), (4315, 4548)]