18809102740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 40678122240

約数和(自身を除く): 21869019500

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 313, 355, 404, 419, 505, 626, 710, 838, 1010, 1252, 1420, 1565, 1676, 2020, 2095, 3130, 4190, 6260, 7171, 8380, 14342, 22223, 28684, 29749, 31613, 35855, 42319, 44446, 59498, 63226, 71710, 84638, 88892, 111115, 118996, 126452, 131147, 143420, 148745, 158065, 169276, 211595, 222230, 262294, 297490, 316130, 423190, 444460, 524588, 594980, 632260, 655735, 846380, 1311470, 2244523, 2622940, 3004649, 4489046, 6009298, 8978092, 9311437, 11222615, 12018596, 13245847, 15023245, 18622874, 22445230, 26491694, 30046490, 37245748, 44890460, 46557185, 52983388, 60092980, 66229235, 93114370, 132458470, 186228740, 264916940, 940455137, 1880910274, 3761820548, 4702275685, 9404551370, 18809102740]

約数ペア:

[(1, 18809102740), (2, 9404551370), (4, 4702275685), (5, 3761820548), (10, 1880910274), (20, 940455137), (71, 264916940), (101, 186228740), (142, 132458470), (202, 93114370), (284, 66229235), (313, 60092980), (355, 52983388), (404, 46557185), (419, 44890460), (505, 37245748), (626, 30046490), (710, 26491694), (838, 22445230), (1010, 18622874), (1252, 15023245), (1420, 13245847), (1565, 12018596), (1676, 11222615), (2020, 9311437), (2095, 8978092), (3130, 6009298), (4190, 4489046), (6260, 3004649), (7171, 2622940), (8380, 2244523), (14342, 1311470), (22223, 846380), (28684, 655735), (29749, 632260), (31613, 594980), (35855, 524588), (42319, 444460), (44446, 423190), (59498, 316130), (63226, 297490), (71710, 262294), (84638, 222230), (88892, 211595), (111115, 169276), (118996, 158065), (126452, 148745), (131147, 143420)]