19774942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1787}}^1$

素因数の和:2303

約数の個数: 16

約数和(自身を含む): 32441472

約数和(自身を除く): 12666530

約数列:

[1, 2, 11, 22, 503, 1006, 1787, 3574, 5533, 11066, 19657, 39314, 898861, 1797722, 9887471, 19774942]

約数ペア:

[(1, 19774942), (2, 9887471), (11, 1797722), (22, 898861), (503, 39314), (1006, 19657), (1787, 11066), (3574, 5533)]