12940748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4217

約数の個数: 24

約数和(自身を含む): 24425520

約数和(自身を除く): 11484772

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 4153, 8306, 16612, 78907, 157814, 170273, 315628, 340546, 681092, 3235187, 6470374, 12940748]

約数ペア:

[(1, 12940748), (2, 6470374), (4, 3235187), (19, 681092), (38, 340546), (41, 315628), (76, 170273), (82, 157814), (164, 78907), (779, 16612), (1558, 8306), (3116, 4153)]