18313659

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 14883141

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 379, 413, 531, 767, 819, 1137, 1239, 2301, 2653, 3411, 3717, 4927, 5369, 6903, 7959, 14781, 16107, 22361, 23877, 34489, 44343, 48321, 67083, 103467, 156527, 201249, 290693, 310401, 469581, 872079, 1408743, 2034851, 2616237, 6104553, 18313659]

約数ペア:

[(1, 18313659), (3, 6104553), (7, 2616237), (9, 2034851), (13, 1408743), (21, 872079), (39, 469581), (59, 310401), (63, 290693), (91, 201249), (117, 156527), (177, 103467), (273, 67083), (379, 48321), (413, 44343), (531, 34489), (767, 23877), (819, 22361), (1137, 16107), (1239, 14781), (2301, 7959), (2653, 6903), (3411, 5369), (3717, 4927)]