18705849201

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{16729}}^1$

素因数の和:17270

約数の個数: 48

約数和(自身を含む): 30692188800

約数和(自身を除く): 11986339599

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 503, 741, 1509, 2223, 4527, 6539, 9557, 16729, 19617, 28671, 50187, 58851, 86013, 124241, 150561, 217477, 317851, 372723, 652431, 953553, 1118169, 1957293, 2860659, 4132063, 8414687, 12396189, 25244061, 37188567, 75732183, 109390931, 159879053, 328172793, 479637159, 984518379, 1438911477, 2078427689, 6235283067, 18705849201]

約数ペア:

[(1, 18705849201), (3, 6235283067), (9, 2078427689), (13, 1438911477), (19, 984518379), (39, 479637159), (57, 328172793), (117, 159879053), (171, 109390931), (247, 75732183), (503, 37188567), (741, 25244061), (1509, 12396189), (2223, 8414687), (4527, 4132063), (6539, 2860659), (9557, 1957293), (16729, 1118169), (19617, 953553), (28671, 652431), (50187, 372723), (58851, 317851), (86013, 217477), (124241, 150561)]