19230780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320513}}^1$

素因数の和:320525

約数の個数: 24

約数和(自身を含む): 53846352

約数和(自身を除く): 34615572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320513, 641026, 961539, 1282052, 1602565, 1923078, 3205130, 3846156, 4807695, 6410260, 9615390, 19230780]

約数ペア:

[(1, 19230780), (2, 9615390), (3, 6410260), (4, 4807695), (5, 3846156), (6, 3205130), (10, 1923078), (12, 1602565), (15, 1282052), (20, 961539), (30, 641026), (60, 320513)]