19970772

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{40591}}^1$

素因数の和:40639

約数の個数: 24

約数和(自身を含む): 47736192

約数和(自身を除く): 27765420

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 40591, 81182, 121773, 162364, 243546, 487092, 1664231, 3328462, 4992693, 6656924, 9985386, 19970772]

約数ペア:

[(1, 19970772), (2, 9985386), (3, 6656924), (4, 4992693), (6, 3328462), (12, 1664231), (41, 487092), (82, 243546), (123, 162364), (164, 121773), (246, 81182), (492, 40591)]