19644138

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 45489600

約数和(自身を除く): 25845462

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 809, 1278, 1349, 1618, 2427, 2698, 4047, 4854, 7281, 8094, 12141, 14562, 15371, 24282, 30742, 46113, 57439, 92226, 114878, 138339, 172317, 276678, 344634, 516951, 1033902, 1091341, 2182682, 3274023, 6548046, 9822069, 19644138]

約数ペア:

[(1, 19644138), (2, 9822069), (3, 6548046), (6, 3274023), (9, 2182682), (18, 1091341), (19, 1033902), (38, 516951), (57, 344634), (71, 276678), (114, 172317), (142, 138339), (171, 114878), (213, 92226), (342, 57439), (426, 46113), (639, 30742), (809, 24282), (1278, 15371), (1349, 14562), (1618, 12141), (2427, 8094), (2698, 7281), (4047, 4854)]