18343221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 28344960

約数和(自身を除く): 10001739

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 379, 663, 949, 1137, 1241, 2847, 3723, 4927, 6443, 14781, 16133, 19329, 27667, 48399, 83001, 83759, 251277, 359671, 470339, 1079013, 1411017, 6114407, 18343221]

約数ペア:

[(1, 18343221), (3, 6114407), (13, 1411017), (17, 1079013), (39, 470339), (51, 359671), (73, 251277), (219, 83759), (221, 83001), (379, 48399), (663, 27667), (949, 19329), (1137, 16133), (1241, 14781), (2847, 6443), (3723, 4927)]