19682960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22367}}^1$

素因数の和:22391

約数の個数: 40

約数和(自身を含む): 49925376

約数和(自身を除く): 30242416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22367, 44734, 89468, 111835, 178936, 223670, 246037, 357872, 447340, 492074, 894680, 984148, 1230185, 1789360, 1968296, 2460370, 3936592, 4920740, 9841480, 19682960]

約数ペア:

[(1, 19682960), (2, 9841480), (4, 4920740), (5, 3936592), (8, 2460370), (10, 1968296), (11, 1789360), (16, 1230185), (20, 984148), (22, 894680), (40, 492074), (44, 447340), (55, 357872), (80, 246037), (88, 223670), (110, 178936), (176, 111835), (220, 89468), (440, 44734), (880, 22367)]