19925919

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 32524800

約数和(自身を除く): 12598881

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 127, 149, 351, 381, 447, 1053, 1143, 1341, 1651, 1937, 3429, 4023, 4953, 5811, 10287, 12069, 14859, 17433, 18923, 44577, 52299, 56769, 133731, 156897, 170307, 245999, 510921, 737997, 1532763, 2213991, 6641973, 19925919]

約数ペア:

[(1, 19925919), (3, 6641973), (9, 2213991), (13, 1532763), (27, 737997), (39, 510921), (81, 245999), (117, 170307), (127, 156897), (149, 133731), (351, 56769), (381, 52299), (447, 44577), (1053, 18923), (1143, 17433), (1341, 14859), (1651, 12069), (1937, 10287), (3429, 5811), (4023, 4953)]