18962960

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 44294040

約数和(自身を除く): 25331080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 809, 1172, 1465, 1618, 2344, 2930, 3236, 4045, 4688, 5860, 6472, 8090, 11720, 12944, 16180, 23440, 32360, 64720, 237037, 474074, 948148, 1185185, 1896296, 2370370, 3792592, 4740740, 9481480, 18962960]

約数ペア:

[(1, 18962960), (2, 9481480), (4, 4740740), (5, 3792592), (8, 2370370), (10, 1896296), (16, 1185185), (20, 948148), (40, 474074), (80, 237037), (293, 64720), (586, 32360), (809, 23440), (1172, 16180), (1465, 12944), (1618, 11720), (2344, 8090), (2930, 6472), (3236, 5860), (4045, 4688)]