18729123764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239957}}^1$

素因数の和:240072

約数の個数: 48

約数和(自身を含む): 37625414400

約数和(自身を除く): 18896290636

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 316, 494, 988, 1027, 1501, 2054, 3002, 4108, 6004, 19513, 39026, 78052, 239957, 479914, 959828, 3119441, 4559183, 6238882, 9118366, 12477764, 18236732, 18956603, 37913206, 59269379, 75826412, 118538758, 237077516, 246435839, 360175457, 492871678, 720350914, 985743356, 1440701828, 4682280941, 9364561882, 18729123764]

約数ペア:

[(1, 18729123764), (2, 9364561882), (4, 4682280941), (13, 1440701828), (19, 985743356), (26, 720350914), (38, 492871678), (52, 360175457), (76, 246435839), (79, 237077516), (158, 118538758), (247, 75826412), (316, 59269379), (494, 37913206), (988, 18956603), (1027, 18236732), (1501, 12477764), (2054, 9118366), (3002, 6238882), (4108, 4559183), (6004, 3119441), (19513, 959828), (39026, 479914), (78052, 239957)]