19946751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 31622400

約数和(自身を除く): 11675649

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 209, 319, 551, 627, 957, 1097, 1653, 3291, 6061, 12067, 18183, 20843, 31813, 36201, 62529, 95439, 229273, 349943, 604447, 687819, 1049829, 1813341, 6648917, 19946751]

約数ペア:

[(1, 19946751), (3, 6648917), (11, 1813341), (19, 1049829), (29, 687819), (33, 604447), (57, 349943), (87, 229273), (209, 95439), (319, 62529), (551, 36201), (627, 31813), (957, 20843), (1097, 18183), (1653, 12067), (3291, 6061)]