19721424

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{2999}}^1$

素因数の和:3147

約数の個数: 40

約数和(自身を含む): 51336000

約数和(自身を除く): 31614576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 2999, 3288, 5998, 6576, 8997, 11996, 17994, 23992, 35988, 47984, 71976, 143952, 410863, 821726, 1232589, 1643452, 2465178, 3286904, 4930356, 6573808, 9860712, 19721424]

約数ペア:

[(1, 19721424), (2, 9860712), (3, 6573808), (4, 4930356), (6, 3286904), (8, 2465178), (12, 1643452), (16, 1232589), (24, 821726), (48, 410863), (137, 143952), (274, 71976), (411, 47984), (548, 35988), (822, 23992), (1096, 17994), (1644, 11996), (2192, 8997), (2999, 6576), (3288, 5998)]