18138403921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{12487}}^1$

素因数の和:12661

約数の個数: 32

約数和(自身を含む): 21046975488

約数和(自身を除く): 2908571567

約数列:

[1, 11, 37, 43, 83, 407, 473, 913, 1591, 3071, 3569, 12487, 17501, 33781, 39259, 132053, 137357, 462019, 536941, 1036421, 1452583, 5082209, 5906351, 11400631, 19866817, 38347577, 44566103, 218534987, 421823347, 490227133, 1648945811, 18138403921]

約数ペア:

[(1, 18138403921), (11, 1648945811), (37, 490227133), (43, 421823347), (83, 218534987), (407, 44566103), (473, 38347577), (913, 19866817), (1591, 11400631), (3071, 5906351), (3569, 5082209), (12487, 1452583), (17501, 1036421), (33781, 536941), (39259, 462019), (132053, 137357)]