19803795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6317}}^1$

素因数の和:6355

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16587885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6317, 18951, 31585, 69487, 94755, 120023, 208461, 347435, 360069, 600115, 1042305, 1320253, 1800345, 3960759, 6601265, 19803795]

約数ペア:

[(1, 19803795), (3, 6601265), (5, 3960759), (11, 1800345), (15, 1320253), (19, 1042305), (33, 600115), (55, 360069), (57, 347435), (95, 208461), (165, 120023), (209, 94755), (285, 69487), (627, 31585), (1045, 18951), (3135, 6317)]