18081752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 37820160

約数和(自身を除く): 19738408

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 127, 148, 254, 296, 481, 508, 962, 1016, 1369, 1651, 1924, 2738, 3302, 3848, 4699, 5476, 6604, 9398, 10952, 13208, 17797, 18796, 35594, 37592, 61087, 71188, 122174, 142376, 173863, 244348, 347726, 488696, 695452, 1390904, 2260219, 4520438, 9040876, 18081752]

約数ペア:

[(1, 18081752), (2, 9040876), (4, 4520438), (8, 2260219), (13, 1390904), (26, 695452), (37, 488696), (52, 347726), (74, 244348), (104, 173863), (127, 142376), (148, 122174), (254, 71188), (296, 61087), (481, 37592), (508, 35594), (962, 18796), (1016, 17797), (1369, 13208), (1651, 10952), (1924, 9398), (2738, 6604), (3302, 5476), (3848, 4699)]