18856519

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 22407840

約数和(自身を除く): 3551321

約数列:

[1, 11, 17, 89, 103, 121, 187, 979, 1133, 1513, 1751, 2057, 9167, 10769, 12463, 16643, 19261, 100837, 155839, 183073, 211871, 1109207, 1714229, 18856519]

約数ペア:

[(1, 18856519), (11, 1714229), (17, 1109207), (89, 211871), (103, 183073), (121, 155839), (187, 100837), (979, 19261), (1133, 16643), (1513, 12463), (1751, 10769), (2057, 9167)]