19997984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{36761}}^1$

素因数の和:36788

約数の個数: 24

約数和(自身を含む): 41688108

約数和(自身を除く): 21690124

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 36761, 73522, 147044, 294088, 588176, 624937, 1176352, 1249874, 2499748, 4999496, 9998992, 19997984]

約数ペア:

[(1, 19997984), (2, 9998992), (4, 4999496), (8, 2499748), (16, 1249874), (17, 1176352), (32, 624937), (34, 588176), (68, 294088), (136, 147044), (272, 73522), (544, 36761)]