18332710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 36867600

約数和(自身を除く): 18534890

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 139, 218, 242, 278, 545, 605, 695, 1090, 1199, 1210, 1390, 1529, 2398, 3058, 5995, 7645, 11990, 13189, 15151, 15290, 16819, 26378, 30302, 33638, 65945, 75755, 84095, 131890, 151510, 166661, 168190, 333322, 833305, 1666610, 1833271, 3666542, 9166355, 18332710]

約数ペア:

[(1, 18332710), (2, 9166355), (5, 3666542), (10, 1833271), (11, 1666610), (22, 833305), (55, 333322), (109, 168190), (110, 166661), (121, 151510), (139, 131890), (218, 84095), (242, 75755), (278, 65945), (545, 33638), (605, 30302), (695, 26378), (1090, 16819), (1199, 15290), (1210, 15151), (1390, 13189), (1529, 11990), (2398, 7645), (3058, 5995)]