19665792321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{285421}}^1$

素因数の和:285641

約数の個数: 32

約数和(自身を含む): 31894195968

約数和(自身を除く): 12228403647

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 357, 579, 1351, 3281, 4053, 9843, 22967, 68901, 285421, 856263, 1997947, 4852157, 5993841, 14556471, 33965099, 55086253, 101895297, 165258759, 385603771, 936466301, 1156811313, 2809398903, 6555264107, 19665792321]

約数ペア:

[(1, 19665792321), (3, 6555264107), (7, 2809398903), (17, 1156811313), (21, 936466301), (51, 385603771), (119, 165258759), (193, 101895297), (357, 55086253), (579, 33965099), (1351, 14556471), (3281, 5993841), (4053, 4852157), (9843, 1997947), (22967, 856263), (68901, 285421)]