18897922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 28998144

約数和(自身を除く): 10100222

約数列:

[1, 2, 61, 122, 191, 382, 811, 1622, 11651, 23302, 49471, 98942, 154901, 309802, 9448961, 18897922]

約数ペア:

[(1, 18897922), (2, 9448961), (61, 309802), (122, 154901), (191, 98942), (382, 49471), (811, 23302), (1622, 11651)]