19938270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33975330

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 1949, 2046, 3410, 3898, 5115, 5847, 9745, 10230, 11694, 19490, 21439, 29235, 42878, 58470, 60419, 64317, 107195, 120838, 128634, 181257, 214390, 302095, 321585, 362514, 604190, 643170, 664609, 906285, 1329218, 1812570, 1993827, 3323045, 3987654, 6646090, 9969135, 19938270]

約数ペア:

[(1, 19938270), (2, 9969135), (3, 6646090), (5, 3987654), (6, 3323045), (10, 1993827), (11, 1812570), (15, 1329218), (22, 906285), (30, 664609), (31, 643170), (33, 604190), (55, 362514), (62, 321585), (66, 302095), (93, 214390), (110, 181257), (155, 128634), (165, 120838), (186, 107195), (310, 64317), (330, 60419), (341, 58470), (465, 42878), (682, 29235), (930, 21439), (1023, 19490), (1705, 11694), (1949, 10230), (2046, 9745), (3410, 5847), (3898, 5115)]