18478512

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9898

約数の個数: 60

約数和(自身を含む): 55697824

約数和(自身を除く): 37219312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 9871, 19742, 29613, 39484, 59226, 78968, 88839, 118452, 128323, 157936, 177678, 236904, 256646, 355356, 384969, 473808, 513292, 710712, 769938, 1026584, 1154907, 1421424, 1539876, 2053168, 2309814, 3079752, 4619628, 6159504, 9239256, 18478512]

約数ペア:

[(1, 18478512), (2, 9239256), (3, 6159504), (4, 4619628), (6, 3079752), (8, 2309814), (9, 2053168), (12, 1539876), (13, 1421424), (16, 1154907), (18, 1026584), (24, 769938), (26, 710712), (36, 513292), (39, 473808), (48, 384969), (52, 355356), (72, 256646), (78, 236904), (104, 177678), (117, 157936), (144, 128323), (156, 118452), (208, 88839), (234, 78968), (312, 59226), (468, 39484), (624, 29613), (936, 19742), (1872, 9871)]