19813227

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15467}}^1$

素因数の和:15538

約数の個数: 16

約数和(自身を含む): 30688512

約数和(自身を除く): 10875285

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15467, 46401, 108269, 324807, 943487, 2830461, 6604409, 19813227]

約数ペア:

[(1, 19813227), (3, 6604409), (7, 2830461), (21, 943487), (61, 324807), (183, 108269), (427, 46401), (1281, 15467)]