19168340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 43014720

約数和(自身を除く): 23846380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 691, 730, 1382, 1387, 1460, 2764, 2774, 3455, 5548, 6910, 6935, 13129, 13820, 13870, 26258, 27740, 50443, 52516, 65645, 100886, 131290, 201772, 252215, 262580, 504430, 958417, 1008860, 1916834, 3833668, 4792085, 9584170, 19168340]

約数ペア:

[(1, 19168340), (2, 9584170), (4, 4792085), (5, 3833668), (10, 1916834), (19, 1008860), (20, 958417), (38, 504430), (73, 262580), (76, 252215), (95, 201772), (146, 131290), (190, 100886), (292, 65645), (365, 52516), (380, 50443), (691, 27740), (730, 26258), (1382, 13870), (1387, 13820), (1460, 13129), (2764, 6935), (2774, 6910), (3455, 5548)]