20181994

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16209686

約数列:

[1, 2, 7, 14, 23, 46, 161, 233, 269, 322, 466, 538, 1631, 1883, 3262, 3766, 5359, 6187, 10718, 12374, 37513, 43309, 62677, 75026, 86618, 125354, 438739, 877478, 1441571, 2883142, 10090997, 20181994]

約数ペア:

[(1, 20181994), (2, 10090997), (7, 2883142), (14, 1441571), (23, 877478), (46, 438739), (161, 125354), (233, 86618), (269, 75026), (322, 62677), (466, 43309), (538, 37513), (1631, 12374), (1883, 10718), (3262, 6187), (3766, 5359)]