19649910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 54369792

約数和(自身を除く): 34719882

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 683, 685, 822, 959, 1366, 1370, 1918, 2049, 2055, 2877, 3415, 4098, 4110, 4781, 4795, 5754, 6830, 9562, 9590, 10245, 14343, 14385, 20490, 23905, 28686, 28770, 47810, 71715, 93571, 143430, 187142, 280713, 467855, 561426, 654997, 935710, 1309994, 1403565, 1964991, 2807130, 3274985, 3929982, 6549970, 9824955, 19649910]

約数ペア:

[(1, 19649910), (2, 9824955), (3, 6549970), (5, 3929982), (6, 3274985), (7, 2807130), (10, 1964991), (14, 1403565), (15, 1309994), (21, 935710), (30, 654997), (35, 561426), (42, 467855), (70, 280713), (105, 187142), (137, 143430), (210, 93571), (274, 71715), (411, 47810), (683, 28770), (685, 28686), (822, 23905), (959, 20490), (1366, 14385), (1370, 14343), (1918, 10245), (2049, 9590), (2055, 9562), (2877, 6830), (3415, 5754), (4098, 4795), (4110, 4781)]