19502019

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 30105600

約数和(自身を除く): 10603581

約数列:

[1, 3, 9, 27, 41, 79, 123, 223, 237, 369, 669, 711, 1107, 2007, 2133, 3239, 6021, 9143, 9717, 17617, 27429, 29151, 52851, 82287, 87453, 158553, 246861, 475659, 722297, 2166891, 6500673, 19502019]

約数ペア:

[(1, 19502019), (3, 6500673), (9, 2166891), (27, 722297), (41, 475659), (79, 246861), (123, 158553), (223, 87453), (237, 82287), (369, 52851), (669, 29151), (711, 27429), (1107, 17617), (2007, 9717), (2133, 9143), (3239, 6021)]