18967939

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 21012480

約数和(自身を除く): 2044541

約数列:

[1, 23, 31, 37, 713, 719, 851, 1147, 16537, 22289, 26381, 26603, 512647, 611869, 824693, 18967939]

約数ペア:

[(1, 18967939), (23, 824693), (31, 611869), (37, 512647), (713, 26603), (719, 26381), (851, 22289), (1147, 16537)]