19383260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74551}}^1$

素因数の和:74573

約数の個数: 24

約数和(自身を含む): 43836576

約数和(自身を除く): 24453316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74551, 149102, 298204, 372755, 745510, 969163, 1491020, 1938326, 3876652, 4845815, 9691630, 19383260]

約数ペア:

[(1, 19383260), (2, 9691630), (4, 4845815), (5, 3876652), (10, 1938326), (13, 1491020), (20, 969163), (26, 745510), (52, 372755), (65, 298204), (130, 149102), (260, 74551)]