19657726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2297}}^1$

素因数の和:2699

約数の個数: 16

約数和(自身を含む): 32263920

約数和(自身を除く): 12606194

約数列:

[1, 2, 11, 22, 389, 778, 2297, 4279, 4594, 8558, 25267, 50534, 893533, 1787066, 9828863, 19657726]

約数ペア:

[(1, 19657726), (2, 9828863), (11, 1787066), (22, 893533), (389, 50534), (778, 25267), (2297, 8558), (4279, 4594)]