19739876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29201}}^1$

素因数の和:29231

約数の個数: 18

約数和(自身を含む): 37407762

約数和(自身を除く): 17667886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29201, 58402, 116804, 379613, 759226, 1518452, 4934969, 9869938, 19739876]

約数ペア:

[(1, 19739876), (2, 9869938), (4, 4934969), (13, 1518452), (26, 759226), (52, 379613), (169, 116804), (338, 58402), (676, 29201)]