18939868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 34609680

約数和(自身を除く): 15669812

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2179, 4346, 4358, 8692, 8716, 89339, 115487, 178678, 230974, 357356, 461948, 4734967, 9469934, 18939868]

約数ペア:

[(1, 18939868), (2, 9469934), (4, 4734967), (41, 461948), (53, 357356), (82, 230974), (106, 178678), (164, 115487), (212, 89339), (2173, 8716), (2179, 8692), (4346, 4358)]