19281178

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6991}}^1$

素因数の和:7197

約数の個数: 16

約数和(自身を含む): 33225984

約数和(自身を除く): 13944806

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 6991, 13982, 48937, 97874, 1377227, 2754454, 9640589, 19281178]

約数ペア:

[(1, 19281178), (2, 9640589), (7, 2754454), (14, 1377227), (197, 97874), (394, 48937), (1379, 13982), (2758, 6991)]