16918227

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{10993}}^1$

素因数の和:11024

約数の個数: 20

約数和(自身を含む): 26605480

約数和(自身を除く): 9687253

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 10993, 32979, 98937, 208867, 296811, 626601, 890433, 1879803, 5639409, 16918227]

約数ペア:

[(1, 16918227), (3, 5639409), (9, 1879803), (19, 890433), (27, 626601), (57, 296811), (81, 208867), (171, 98937), (513, 32979), (1539, 10993)]