19875688

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3659}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 43041600

約数和(自身を除く): 23165912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3659, 5432, 7318, 14636, 25613, 29272, 51226, 102452, 204904, 354923, 709846, 1419692, 2484461, 2839384, 4968922, 9937844, 19875688]

約数ペア:

[(1, 19875688), (2, 9937844), (4, 4968922), (7, 2839384), (8, 2484461), (14, 1419692), (28, 709846), (56, 354923), (97, 204904), (194, 102452), (388, 51226), (679, 29272), (776, 25613), (1358, 14636), (2716, 7318), (3659, 5432)]