19840254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2081}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 45570816

約数和(自身を除く): 25730562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 227, 454, 681, 1362, 1589, 2081, 3178, 4162, 4767, 6243, 9534, 12486, 14567, 29134, 43701, 87402, 472387, 944774, 1417161, 2834322, 3306709, 6613418, 9920127, 19840254]

約数ペア:

[(1, 19840254), (2, 9920127), (3, 6613418), (6, 3306709), (7, 2834322), (14, 1417161), (21, 944774), (42, 472387), (227, 87402), (454, 43701), (681, 29134), (1362, 14567), (1589, 12486), (2081, 9534), (3178, 6243), (4162, 4767)]