19879112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1013}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 21005368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 1013, 1784, 2026, 2453, 4052, 4906, 8104, 9812, 11143, 19624, 22286, 44572, 89144, 225899, 451798, 903596, 1807192, 2484889, 4969778, 9939556, 19879112]

約数ペア:

[(1, 19879112), (2, 9939556), (4, 4969778), (8, 2484889), (11, 1807192), (22, 903596), (44, 451798), (88, 225899), (223, 89144), (446, 44572), (892, 22286), (1013, 19624), (1784, 11143), (2026, 9812), (2453, 8104), (4052, 4906)]