2018075890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 3857518080

約数和(自身を除く): 1839442190

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 311, 317, 445, 622, 634, 890, 1555, 1585, 2047, 3110, 3170, 4094, 7153, 7291, 10235, 14306, 14582, 20470, 27679, 28213, 35765, 36455, 55358, 56426, 71530, 72910, 98587, 138395, 141065, 197174, 276790, 282130, 492935, 636617, 648899, 985870, 1273234, 1297798, 2267501, 3183085, 3244495, 4535002, 6366170, 6488990, 8774243, 11337505, 17548486, 22675010, 43871215, 87742430, 201807589, 403615178, 1009037945, 2018075890]

約数ペア:

[(1, 2018075890), (2, 1009037945), (5, 403615178), (10, 201807589), (23, 87742430), (46, 43871215), (89, 22675010), (115, 17548486), (178, 11337505), (230, 8774243), (311, 6488990), (317, 6366170), (445, 4535002), (622, 3244495), (634, 3183085), (890, 2267501), (1555, 1297798), (1585, 1273234), (2047, 985870), (3110, 648899), (3170, 636617), (4094, 492935), (7153, 282130), (7291, 276790), (10235, 197174), (14306, 141065), (14582, 138395), (20470, 98587), (27679, 72910), (28213, 71530), (35765, 56426), (36455, 55358)]