19929260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76651}}^1$

素因数の和:76673

約数の個数: 24

約数和(自身を含む): 45071376

約数和(自身を除く): 25142116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76651, 153302, 306604, 383255, 766510, 996463, 1533020, 1992926, 3985852, 4982315, 9964630, 19929260]

約数ペア:

[(1, 19929260), (2, 9964630), (4, 4982315), (5, 3985852), (10, 1992926), (13, 1533020), (20, 996463), (26, 766510), (52, 383255), (65, 306604), (130, 153302), (260, 76651)]