18451972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22190588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 431, 556, 862, 973, 1529, 1724, 1946, 3017, 3058, 3892, 4741, 6034, 6116, 9482, 10703, 12068, 18964, 21406, 33187, 42812, 59909, 66374, 119818, 132748, 239636, 419363, 658999, 838726, 1317998, 1677452, 2635996, 4612993, 9225986, 18451972]

約数ペア:

[(1, 18451972), (2, 9225986), (4, 4612993), (7, 2635996), (11, 1677452), (14, 1317998), (22, 838726), (28, 658999), (44, 419363), (77, 239636), (139, 132748), (154, 119818), (278, 66374), (308, 59909), (431, 42812), (556, 33187), (862, 21406), (973, 18964), (1529, 12068), (1724, 10703), (1946, 9482), (3017, 6116), (3058, 6034), (3892, 4741)]