19794892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 37567712

約数和(自身を除く): 17772820

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2521, 3926, 5042, 7852, 10084, 32773, 65546, 131092, 380671, 761342, 1522684, 4948723, 9897446, 19794892]

約数ペア:

[(1, 19794892), (2, 9897446), (4, 4948723), (13, 1522684), (26, 761342), (52, 380671), (151, 131092), (302, 65546), (604, 32773), (1963, 10084), (2521, 7852), (3926, 5042)]