19621661

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 21600000

約数和(自身を除く): 1978339

約数列:

[1, 19, 29, 149, 239, 551, 2831, 4321, 4541, 6931, 35611, 82099, 131689, 676609, 1032719, 19621661]

約数ペア:

[(1, 19621661), (19, 1032719), (29, 676609), (149, 131689), (239, 82099), (551, 35611), (2831, 6931), (4321, 4541)]