18929116

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 34151040

約数和(自身を除く): 15221924

約数列:

[1, 2, 4, 43, 86, 167, 172, 334, 659, 668, 1318, 2636, 7181, 14362, 28337, 28724, 56674, 110053, 113348, 220106, 440212, 4732279, 9464558, 18929116]

約数ペア:

[(1, 18929116), (2, 9464558), (4, 4732279), (43, 440212), (86, 220106), (167, 113348), (172, 110053), (334, 56674), (659, 28724), (668, 28337), (1318, 14362), (2636, 7181)]