19538091

素因数分解:

$3^4\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 30

約数和(自身を含む): 30278556

約数和(自身を除く): 10740465

約数列:

[1, 3, 9, 27, 31, 81, 93, 251, 279, 753, 837, 961, 2259, 2511, 2883, 6777, 7781, 8649, 20331, 23343, 25947, 70029, 77841, 210087, 241211, 630261, 723633, 2170899, 6512697, 19538091]

約数ペア:

[(1, 19538091), (3, 6512697), (9, 2170899), (27, 723633), (31, 630261), (81, 241211), (93, 210087), (251, 77841), (279, 70029), (753, 25947), (837, 23343), (961, 20331), (2259, 8649), (2511, 7781), (2883, 6777)]