19807260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30011}}^1$

素因数の和:30034

約数の個数: 48

約数和(自身を含む): 60504192

約数和(自身を除く): 40696932

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30011, 60022, 90033, 120044, 150055, 180066, 300110, 330121, 360132, 450165, 600220, 660242, 900330, 990363, 1320484, 1650605, 1800660, 1980726, 3301210, 3961452, 4951815, 6602420, 9903630, 19807260]

約数ペア:

[(1, 19807260), (2, 9903630), (3, 6602420), (4, 4951815), (5, 3961452), (6, 3301210), (10, 1980726), (11, 1800660), (12, 1650605), (15, 1320484), (20, 990363), (22, 900330), (30, 660242), (33, 600220), (44, 450165), (55, 360132), (60, 330121), (66, 300110), (110, 180066), (132, 150055), (165, 120044), (220, 90033), (330, 60022), (660, 30011)]