19880859

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 9472101

約数列:

[1, 3, 19, 41, 47, 57, 123, 141, 181, 543, 779, 893, 1927, 2337, 2679, 3439, 5781, 7421, 8507, 10317, 22263, 25521, 36613, 109839, 140999, 161633, 348787, 422997, 484899, 1046361, 6626953, 19880859]

約数ペア:

[(1, 19880859), (3, 6626953), (19, 1046361), (41, 484899), (47, 422997), (57, 348787), (123, 161633), (141, 140999), (181, 109839), (543, 36613), (779, 25521), (893, 22263), (1927, 10317), (2337, 8507), (2679, 7421), (3439, 5781)]