18789947

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 21967200

約数和(自身を除く): 3177253

約数列:

[1, 11, 17, 89, 187, 979, 1129, 1513, 12419, 16643, 19193, 100481, 211123, 1105291, 1708177, 18789947]

約数ペア:

[(1, 18789947), (11, 1708177), (17, 1105291), (89, 211123), (187, 100481), (979, 19193), (1129, 16643), (1513, 12419)]