18880354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^2$

素因数の和:226

約数の個数: 24

約数和(自身を含む): 29961360

約数和(自身を除く): 11081006

約数列:

[1, 2, 43, 59, 61, 86, 118, 122, 2537, 2623, 3599, 3721, 5074, 5246, 7198, 7442, 154757, 160003, 219539, 309514, 320006, 439078, 9440177, 18880354]

約数ペア:

[(1, 18880354), (2, 9440177), (43, 439078), (59, 320006), (61, 309514), (86, 219539), (118, 160003), (122, 154757), (2537, 7442), (2623, 7198), (3599, 5246), (3721, 5074)]