19685886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4201}}^1$

素因数の和:4288

約数の個数: 32

約数和(自身を含む): 43566336

約数和(自身を除く): 23880450

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4201, 4686, 8402, 12603, 25206, 46211, 92422, 138633, 277266, 298271, 596542, 894813, 1789626, 3280981, 6561962, 9842943, 19685886]

約数ペア:

[(1, 19685886), (2, 9842943), (3, 6561962), (6, 3280981), (11, 1789626), (22, 894813), (33, 596542), (66, 298271), (71, 277266), (142, 138633), (213, 92422), (426, 46211), (781, 25206), (1562, 12603), (2343, 8402), (4201, 4686)]