18188065

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 25826472

約数和(自身を除く): 7638407

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 1217, 2135, 2989, 6085, 8519, 14945, 42595, 59633, 74237, 298165, 371185, 519659, 2598295, 3637613, 18188065]

約数ペア:

[(1, 18188065), (5, 3637613), (7, 2598295), (35, 519659), (49, 371185), (61, 298165), (245, 74237), (305, 59633), (427, 42595), (1217, 14945), (2135, 8519), (2989, 6085)]