90405918

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{19543}}^1$

素因数の和:19808

約数の個数: 24

約数和(自身を含む): 196651728

約数和(自身を除く): 106245810

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 19543, 39086, 58629, 117258, 175887, 351774, 5022551, 10045102, 15067653, 30135306, 45202959, 90405918]

約数ペア:

[(1, 90405918), (2, 45202959), (3, 30135306), (6, 15067653), (9, 10045102), (18, 5022551), (257, 351774), (514, 175887), (771, 117258), (1542, 58629), (2313, 39086), (4626, 19543)]