19212050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2687}}^1$

素因数の和:2723

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 22785262

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2687, 3575, 5374, 7150, 13435, 26870, 29557, 34931, 59114, 67175, 69862, 134350, 147785, 174655, 295570, 349310, 384241, 738925, 768482, 873275, 1477850, 1746550, 1921205, 3842410, 9606025, 19212050]

約数ペア:

[(1, 19212050), (2, 9606025), (5, 3842410), (10, 1921205), (11, 1746550), (13, 1477850), (22, 873275), (25, 768482), (26, 738925), (50, 384241), (55, 349310), (65, 295570), (110, 174655), (130, 147785), (143, 134350), (275, 69862), (286, 67175), (325, 59114), (550, 34931), (650, 29557), (715, 26870), (1430, 13435), (2687, 7150), (3575, 5374)]