19215273

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 32182272

約数和(自身を除く): 12966999

約数列:

[1, 3, 7, 11, 21, 33, 77, 193, 231, 431, 579, 1293, 1351, 2123, 3017, 4053, 4741, 6369, 9051, 14223, 14861, 33187, 44583, 83183, 99561, 249549, 582281, 915013, 1746843, 2745039, 6405091, 19215273]

約数ペア:

[(1, 19215273), (3, 6405091), (7, 2745039), (11, 1746843), (21, 915013), (33, 582281), (77, 249549), (193, 99561), (231, 83183), (431, 44583), (579, 33187), (1293, 14861), (1351, 14223), (2123, 9051), (3017, 6369), (4053, 4741)]