19901862

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2914

約数の個数: 40

約数和(自身を含む): 45647976

約数和(自身を除く): 25746114

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 2857, 3483, 5714, 6966, 8571, 17142, 25713, 51426, 77139, 122851, 154278, 231417, 245702, 368553, 462834, 737106, 1105659, 2211318, 3316977, 6633954, 9950931, 19901862]

約数ペア:

[(1, 19901862), (2, 9950931), (3, 6633954), (6, 3316977), (9, 2211318), (18, 1105659), (27, 737106), (43, 462834), (54, 368553), (81, 245702), (86, 231417), (129, 154278), (162, 122851), (258, 77139), (387, 51426), (774, 25713), (1161, 17142), (2322, 8571), (2857, 6966), (3483, 5714)]