18003544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 38682000

約数和(自身を除く): 20678456

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 599, 884, 1156, 1198, 1768, 2312, 2396, 3757, 4792, 7514, 7787, 10183, 15028, 15574, 20366, 30056, 31148, 40732, 62296, 81464, 132379, 173111, 264758, 346222, 529516, 692444, 1059032, 1384888, 2250443, 4500886, 9001772, 18003544]

約数ペア:

[(1, 18003544), (2, 9001772), (4, 4500886), (8, 2250443), (13, 1384888), (17, 1059032), (26, 692444), (34, 529516), (52, 346222), (68, 264758), (104, 173111), (136, 132379), (221, 81464), (289, 62296), (442, 40732), (578, 31148), (599, 30056), (884, 20366), (1156, 15574), (1198, 15028), (1768, 10183), (2312, 7787), (2396, 7514), (3757, 4792)]