19716692

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 35147112

約数和(自身を除く): 15430420

約数列:

[1, 2, 4, 113, 181, 226, 241, 362, 452, 482, 724, 964, 20453, 27233, 40906, 43621, 54466, 81812, 87242, 108932, 174484, 4929173, 9858346, 19716692]

約数ペア:

[(1, 19716692), (2, 9858346), (4, 4929173), (113, 174484), (181, 108932), (226, 87242), (241, 81812), (362, 54466), (452, 43621), (482, 40906), (724, 27233), (964, 20453)]