19879958

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 35956224

約数和(自身を除く): 16076266

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 577, 749, 1154, 1498, 2461, 4039, 4922, 8078, 13271, 17227, 26542, 34454, 61739, 92897, 123478, 185794, 432173, 864346, 1419997, 2839994, 9939979, 19879958]

約数ペア:

[(1, 19879958), (2, 9939979), (7, 2839994), (14, 1419997), (23, 864346), (46, 432173), (107, 185794), (161, 123478), (214, 92897), (322, 61739), (577, 34454), (749, 26542), (1154, 17227), (1498, 13271), (2461, 8078), (4039, 4922)]