19955768

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{773}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 22954792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 773, 922, 1546, 1844, 3092, 3227, 3688, 5411, 6184, 6454, 10822, 12908, 21644, 25816, 43288, 356353, 712706, 1425412, 2494471, 2850824, 4988942, 9977884, 19955768]

約数ペア:

[(1, 19955768), (2, 9977884), (4, 4988942), (7, 2850824), (8, 2494471), (14, 1425412), (28, 712706), (56, 356353), (461, 43288), (773, 25816), (922, 21644), (1546, 12908), (1844, 10822), (3092, 6454), (3227, 6184), (3688, 5411)]