20171866842

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{907}}^1\times {\mathrm{39857}}^1$

素因数の和:40803

約数の個数: 48

約数和(自身を含む): 45166447872

約数和(自身を除く): 24994581030

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 907, 1814, 2721, 5442, 8163, 16326, 28117, 39857, 56234, 79714, 84351, 119571, 168702, 239142, 253053, 358713, 506106, 717426, 1235567, 2471134, 3706701, 7413402, 11120103, 22240206, 36150299, 72300598, 108450897, 216901794, 325352691, 650705382, 1120659269, 2241318538, 3361977807, 6723955614, 10085933421, 20171866842]

約数ペア:

[(1, 20171866842), (2, 10085933421), (3, 6723955614), (6, 3361977807), (9, 2241318538), (18, 1120659269), (31, 650705382), (62, 325352691), (93, 216901794), (186, 108450897), (279, 72300598), (558, 36150299), (907, 22240206), (1814, 11120103), (2721, 7413402), (5442, 3706701), (8163, 2471134), (16326, 1235567), (28117, 717426), (39857, 506106), (56234, 358713), (79714, 253053), (84351, 239142), (119571, 168702)]