19561366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2063}}^1$

素因数の和:2507

約数の個数: 16

約数和(自身を含む): 32099328

約数和(自身を除く): 12537962

約数列:

[1, 2, 11, 22, 431, 862, 2063, 4126, 4741, 9482, 22693, 45386, 889153, 1778306, 9780683, 19561366]

約数ペア:

[(1, 19561366), (2, 9780683), (11, 1778306), (22, 889153), (431, 45386), (862, 22693), (2063, 9482), (4126, 4741)]