19239968

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{4969}}^1$

素因数の和:5001

約数の個数: 36

約数和(自身を含む): 41643630

約数和(自身を除く): 22403662

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 4969, 9938, 19876, 39752, 54659, 79504, 109318, 159008, 218636, 437272, 601249, 874544, 1202498, 1749088, 2404996, 4809992, 9619984, 19239968]

約数ペア:

[(1, 19239968), (2, 9619984), (4, 4809992), (8, 2404996), (11, 1749088), (16, 1202498), (22, 874544), (32, 601249), (44, 437272), (88, 218636), (121, 159008), (176, 109318), (242, 79504), (352, 54659), (484, 39752), (968, 19876), (1936, 9938), (3872, 4969)]