19781886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4943}}^1$

素因数の和:5000

約数の個数: 32

約数和(自身を含む): 42716160

約数和(自身を除く): 22934274

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 667, 1334, 2001, 4002, 4943, 9886, 14829, 29658, 113689, 143347, 227378, 286694, 341067, 430041, 682134, 860082, 3296981, 6593962, 9890943, 19781886]

約数ペア:

[(1, 19781886), (2, 9890943), (3, 6593962), (6, 3296981), (23, 860082), (29, 682134), (46, 430041), (58, 341067), (69, 286694), (87, 227378), (138, 143347), (174, 113689), (667, 29658), (1334, 14829), (2001, 9886), (4002, 4943)]