18812365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 26925696

約数和(自身を除く): 8113331

約数列:

[1, 5, 11, 13, 55, 65, 83, 143, 317, 415, 715, 913, 1079, 1585, 3487, 4121, 4565, 5395, 11869, 17435, 20605, 26311, 45331, 59345, 131555, 226655, 289421, 342043, 1447105, 1710215, 3762473, 18812365]

約数ペア:

[(1, 18812365), (5, 3762473), (11, 1710215), (13, 1447105), (55, 342043), (65, 289421), (83, 226655), (143, 131555), (317, 59345), (415, 45331), (715, 26311), (913, 20605), (1079, 17435), (1585, 11869), (3487, 5395), (4121, 4565)]