17980372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3919}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 33367040

約数和(自身を除く): 15386668

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 3919, 4588, 7838, 15676, 121489, 145003, 242978, 290006, 485956, 580012, 4495093, 8990186, 17980372]

約数ペア:

[(1, 17980372), (2, 8990186), (4, 4495093), (31, 580012), (37, 485956), (62, 290006), (74, 242978), (124, 145003), (148, 121489), (1147, 15676), (2294, 7838), (3919, 4588)]