18396484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{242059}}^1$

素因数の和:242082

約数の個数: 12

約数和(自身を含む): 33888400

約数和(自身を除く): 15491916

約数列:

[1, 2, 4, 19, 38, 76, 242059, 484118, 968236, 4599121, 9198242, 18396484]

約数ペア:

[(1, 18396484), (2, 9198242), (4, 4599121), (19, 968236), (38, 484118), (76, 242059)]