19617290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 25137910

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 349, 365, 385, 511, 698, 730, 770, 803, 1022, 1606, 1745, 2443, 2555, 3490, 3839, 4015, 4886, 5110, 5621, 7678, 8030, 11242, 12215, 19195, 24430, 25477, 26873, 28105, 38390, 50954, 53746, 56210, 127385, 134365, 178339, 254770, 268730, 280247, 356678, 560494, 891695, 1401235, 1783390, 1961729, 2802470, 3923458, 9808645, 19617290]

約数ペア:

[(1, 19617290), (2, 9808645), (5, 3923458), (7, 2802470), (10, 1961729), (11, 1783390), (14, 1401235), (22, 891695), (35, 560494), (55, 356678), (70, 280247), (73, 268730), (77, 254770), (110, 178339), (146, 134365), (154, 127385), (349, 56210), (365, 53746), (385, 50954), (511, 38390), (698, 28105), (730, 26873), (770, 25477), (803, 24430), (1022, 19195), (1606, 12215), (1745, 11242), (2443, 8030), (2555, 7678), (3490, 5621), (3839, 5110), (4015, 4886)]