19343907

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 32686080

約数和(自身を除く): 13342173

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 121, 191, 279, 297, 341, 363, 573, 837, 1023, 1089, 1719, 2101, 3069, 3267, 3751, 5157, 5921, 6303, 9207, 11253, 17763, 18909, 23111, 33759, 53289, 56727, 65131, 69333, 101277, 159867, 195393, 207999, 586179, 623997, 716441, 1758537, 2149323, 6447969, 19343907]

約数ペア:

[(1, 19343907), (3, 6447969), (9, 2149323), (11, 1758537), (27, 716441), (31, 623997), (33, 586179), (93, 207999), (99, 195393), (121, 159867), (191, 101277), (279, 69333), (297, 65131), (341, 56727), (363, 53289), (573, 33759), (837, 23111), (1023, 18909), (1089, 17763), (1719, 11253), (2101, 9207), (3069, 6303), (3267, 5921), (3751, 5157)]