19707044

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 22096732

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 431, 497, 644, 862, 994, 1633, 1724, 1988, 3017, 3266, 6034, 6532, 9913, 11431, 12068, 19826, 22862, 30601, 39652, 45724, 61202, 69391, 122404, 138782, 214207, 277564, 428414, 703823, 856828, 1407646, 2815292, 4926761, 9853522, 19707044]

約数ペア:

[(1, 19707044), (2, 9853522), (4, 4926761), (7, 2815292), (14, 1407646), (23, 856828), (28, 703823), (46, 428414), (71, 277564), (92, 214207), (142, 138782), (161, 122404), (284, 69391), (322, 61202), (431, 45724), (497, 39652), (644, 30601), (862, 22862), (994, 19826), (1633, 12068), (1724, 11431), (1988, 9913), (3017, 6532), (3266, 6034)]