18178916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 38892672

約数和(自身を除く): 20713756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 181, 211, 238, 362, 422, 476, 724, 844, 1267, 1477, 2534, 2954, 3077, 3587, 5068, 5908, 6154, 7174, 12308, 14348, 21539, 25109, 38191, 43078, 50218, 76382, 86156, 100436, 152764, 267337, 534674, 649247, 1069348, 1298494, 2596988, 4544729, 9089458, 18178916]

約数ペア:

[(1, 18178916), (2, 9089458), (4, 4544729), (7, 2596988), (14, 1298494), (17, 1069348), (28, 649247), (34, 534674), (68, 267337), (119, 152764), (181, 100436), (211, 86156), (238, 76382), (362, 50218), (422, 43078), (476, 38191), (724, 25109), (844, 21539), (1267, 14348), (1477, 12308), (2534, 7174), (2954, 6154), (3077, 5908), (3587, 5068)]