19678714

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:606

約数の個数: 24

約数和(自身を含む): 32678100

約数和(自身を除く): 12999386

約数列:

[1, 2, 11, 22, 121, 233, 242, 349, 466, 698, 2563, 3839, 5126, 7678, 28193, 42229, 56386, 81317, 84458, 162634, 894487, 1788974, 9839357, 19678714]

約数ペア:

[(1, 19678714), (2, 9839357), (11, 1788974), (22, 894487), (121, 162634), (233, 84458), (242, 81317), (349, 56386), (466, 42229), (698, 28193), (2563, 7678), (3839, 5126)]