19109415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 34346592

約数和(自身を除く): 15237177

約数列:

[1, 3, 5, 13, 15, 39, 43, 53, 65, 129, 159, 195, 215, 265, 559, 645, 689, 795, 1677, 1849, 2067, 2279, 2795, 3445, 5547, 6837, 8385, 9245, 10335, 11395, 24037, 27735, 29627, 34185, 72111, 88881, 97997, 120185, 148135, 293991, 360555, 444405, 489985, 1273961, 1469955, 3821883, 6369805, 19109415]

約数ペア:

[(1, 19109415), (3, 6369805), (5, 3821883), (13, 1469955), (15, 1273961), (39, 489985), (43, 444405), (53, 360555), (65, 293991), (129, 148135), (159, 120185), (195, 97997), (215, 88881), (265, 72111), (559, 34185), (645, 29627), (689, 27735), (795, 24037), (1677, 11395), (1849, 10335), (2067, 9245), (2279, 8385), (2795, 6837), (3445, 5547)]