11818181963

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 14990976000

約数和(自身を除く): 3172794037

約数列:

[1, 7, 19, 43, 49, 133, 181, 233, 301, 343, 817, 931, 1267, 1631, 2107, 3439, 4427, 5719, 6517, 7783, 8869, 10019, 11417, 14749, 24073, 30989, 40033, 42173, 54481, 62083, 70133, 79919, 147877, 168511, 190361, 216923, 280231, 295211, 381367, 490931, 801287, 1035139, 1179577, 1332527, 1518461, 1813439, 2066477, 2669569, 3436517, 5609009, 7245973, 9327689, 12694073, 14465339, 34455341, 39263063, 50721811, 65293823, 88858511, 241187387, 274841441, 622009577, 1688311709, 11818181963]

約数ペア:

[(1, 11818181963), (7, 1688311709), (19, 622009577), (43, 274841441), (49, 241187387), (133, 88858511), (181, 65293823), (233, 50721811), (301, 39263063), (343, 34455341), (817, 14465339), (931, 12694073), (1267, 9327689), (1631, 7245973), (2107, 5609009), (3439, 3436517), (4427, 2669569), (5719, 2066477), (6517, 1813439), (7783, 1518461), (8869, 1332527), (10019, 1179577), (11417, 1035139), (14749, 801287), (24073, 490931), (30989, 381367), (40033, 295211), (42173, 280231), (54481, 216923), (62083, 190361), (70133, 168511), (79919, 147877)]