18811948

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 33932304

約数和(自身を除く): 15120356

約数列:

[1, 2, 4, 41, 82, 164, 251, 457, 502, 914, 1004, 1828, 10291, 18737, 20582, 37474, 41164, 74948, 114707, 229414, 458828, 4702987, 9405974, 18811948]

約数ペア:

[(1, 18811948), (2, 9405974), (4, 4702987), (41, 458828), (82, 229414), (164, 114707), (251, 74948), (457, 41164), (502, 37474), (914, 20582), (1004, 18737), (1828, 10291)]