18009495553

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1\times {\mathrm{2143}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 21858508800

約数和(自身を除く): 3849013247

約数列:

[1, 7, 19, 133, 179, 353, 1253, 2143, 2471, 3401, 6707, 15001, 23807, 40717, 46949, 63187, 285019, 383597, 442309, 756479, 1200553, 2685179, 5295353, 7288343, 8403871, 14373101, 51018401, 100611707, 135409741, 947868187, 2572785079, 18009495553]

約数ペア:

[(1, 18009495553), (7, 2572785079), (19, 947868187), (133, 135409741), (179, 100611707), (353, 51018401), (1253, 14373101), (2143, 8403871), (2471, 7288343), (3401, 5295353), (6707, 2685179), (15001, 1200553), (23807, 756479), (40717, 442309), (46949, 383597), (63187, 285019)]