19388402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38317}}^1$

素因数の和:38353

約数の個数: 16

約数和(自身を含む): 33106752

約数和(自身を除く): 13718350

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38317, 76634, 421487, 842974, 881291, 1762582, 9694201, 19388402]

約数ペア:

[(1, 19388402), (2, 9694201), (11, 1762582), (22, 881291), (23, 842974), (46, 421487), (253, 76634), (506, 38317)]