2019021472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{255443}}^1$

素因数の和:255485

約数の個数: 48

約数和(自身を含む): 4506032160

約数和(自身を除く): 2487010688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 255443, 510886, 1021772, 2043544, 3320759, 4087088, 4853417, 6641518, 8174176, 9706834, 13283036, 19413668, 26566072, 38827336, 53132144, 63094421, 77654672, 106264288, 126188842, 155309344, 252377684, 504755368, 1009510736, 2019021472]

約数ペア:

[(1, 2019021472), (2, 1009510736), (4, 504755368), (8, 252377684), (13, 155309344), (16, 126188842), (19, 106264288), (26, 77654672), (32, 63094421), (38, 53132144), (52, 38827336), (76, 26566072), (104, 19413668), (152, 13283036), (208, 9706834), (247, 8174176), (304, 6641518), (416, 4853417), (494, 4087088), (608, 3320759), (988, 2043544), (1976, 1021772), (3952, 510886), (7904, 255443)]