2019505565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3181}}^1$

素因数の和:3318

約数の個数: 64

約数和(自身を含む): 3233115648

約数和(自身を除く): 1213610083

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 97, 119, 187, 385, 485, 595, 679, 935, 1067, 1309, 1649, 3181, 3395, 5335, 6545, 7469, 8245, 11543, 15905, 18139, 22267, 34991, 37345, 54077, 57715, 90695, 111335, 126973, 174955, 244937, 270385, 308557, 378539, 594847, 634865, 1224685, 1542785, 1892695, 2159899, 2974235, 3394127, 4163929, 5245469, 10799495, 16970635, 20819645, 23758889, 26227345, 36718283, 57700159, 118794445, 183591415, 288500795, 403901113, 2019505565]

約数ペア:

[(1, 2019505565), (5, 403901113), (7, 288500795), (11, 183591415), (17, 118794445), (35, 57700159), (55, 36718283), (77, 26227345), (85, 23758889), (97, 20819645), (119, 16970635), (187, 10799495), (385, 5245469), (485, 4163929), (595, 3394127), (679, 2974235), (935, 2159899), (1067, 1892695), (1309, 1542785), (1649, 1224685), (3181, 634865), (3395, 594847), (5335, 378539), (6545, 308557), (7469, 270385), (8245, 244937), (11543, 174955), (15905, 126973), (18139, 111335), (22267, 90695), (34991, 57715), (37345, 54077)]