18380178

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{23747}}^1$

素因数の和:23798

約数の個数: 24

約数和(自身を含む): 40751568

約数和(自身を除く): 22371390

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 23747, 47494, 71241, 142482, 213723, 427446, 1021121, 2042242, 3063363, 6126726, 9190089, 18380178]

約数ペア:

[(1, 18380178), (2, 9190089), (3, 6126726), (6, 3063363), (9, 2042242), (18, 1021121), (43, 427446), (86, 213723), (129, 142482), (258, 71241), (387, 47494), (774, 23747)]