18997132

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 42594048

約数和(自身を除く): 23596916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1667, 2849, 3334, 5698, 6668, 11396, 11669, 18337, 23338, 36674, 46676, 61679, 73348, 123358, 128359, 246716, 256718, 431753, 513436, 678469, 863506, 1356938, 1727012, 2713876, 4749283, 9498566, 18997132]

約数ペア:

[(1, 18997132), (2, 9498566), (4, 4749283), (7, 2713876), (11, 1727012), (14, 1356938), (22, 863506), (28, 678469), (37, 513436), (44, 431753), (74, 256718), (77, 246716), (148, 128359), (154, 123358), (259, 73348), (308, 61679), (407, 46676), (518, 36674), (814, 23338), (1036, 18337), (1628, 11669), (1667, 11396), (2849, 6668), (3334, 5698)]