18421974

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{23801}}^1$

素因数の和:23852

約数の個数: 24

約数和(自身を含む): 40844232

約数和(自身を除く): 22422258

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 23801, 47602, 71403, 142806, 214209, 428418, 1023443, 2046886, 3070329, 6140658, 9210987, 18421974]

約数ペア:

[(1, 18421974), (2, 9210987), (3, 6140658), (6, 3070329), (9, 2046886), (18, 1023443), (43, 428418), (86, 214209), (129, 142806), (258, 71403), (387, 47602), (774, 23801)]