18720372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3833}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 48952512

約数和(自身を除く): 30232140

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 3833, 4884, 7666, 11499, 15332, 22998, 42163, 45996, 84326, 126489, 141821, 168652, 252978, 283642, 425463, 505956, 567284, 850926, 1560031, 1701852, 3120062, 4680093, 6240124, 9360186, 18720372]

約数ペア:

[(1, 18720372), (2, 9360186), (3, 6240124), (4, 4680093), (6, 3120062), (11, 1701852), (12, 1560031), (22, 850926), (33, 567284), (37, 505956), (44, 425463), (66, 283642), (74, 252978), (111, 168652), (132, 141821), (148, 126489), (222, 84326), (407, 45996), (444, 42163), (814, 22998), (1221, 15332), (1628, 11499), (2442, 7666), (3833, 4884)]