19538710

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20143}}^1$

素因数の和:20247

約数の個数: 16

約数和(自身を含む): 35534016

約数和(自身を除く): 15995306

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20143, 40286, 100715, 201430, 1953871, 3907742, 9769355, 19538710]

約数ペア:

[(1, 19538710), (2, 9769355), (5, 3907742), (10, 1953871), (97, 201430), (194, 100715), (485, 40286), (970, 20143)]