19701522

素因数分解:

$2^1\times 3^3\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 43939200

約数和(自身を除く): 24237678

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 919, 1191, 1838, 2382, 2757, 3573, 5514, 7146, 8271, 10719, 16542, 21438, 24813, 49626, 364843, 729686, 1094529, 2189058, 3283587, 6567174, 9850761, 19701522]

約数ペア:

[(1, 19701522), (2, 9850761), (3, 6567174), (6, 3283587), (9, 2189058), (18, 1094529), (27, 729686), (54, 364843), (397, 49626), (794, 24813), (919, 21438), (1191, 16542), (1838, 10719), (2382, 8271), (2757, 7146), (3573, 5514)]