19951994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12707206

約数列:

[1, 2, 23, 41, 46, 71, 82, 142, 149, 298, 943, 1633, 1886, 2911, 3266, 3427, 5822, 6109, 6854, 10579, 12218, 21158, 66953, 133906, 140507, 243317, 281014, 433739, 486634, 867478, 9975997, 19951994]

約数ペア:

[(1, 19951994), (2, 9975997), (23, 867478), (41, 486634), (46, 433739), (71, 281014), (82, 243317), (142, 140507), (149, 133906), (298, 66953), (943, 21158), (1633, 12218), (1886, 10579), (2911, 6854), (3266, 6109), (3427, 5822)]