19917494920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{214351}}^1$

素因数の和:214486

約数の個数: 64

約数和(自身を含む): 47226032640

約数和(自身を除く): 27308537720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 115, 184, 202, 230, 404, 460, 505, 808, 920, 1010, 2020, 2323, 4040, 4646, 9292, 11615, 18584, 23230, 46460, 92920, 214351, 428702, 857404, 1071755, 1714808, 2143510, 4287020, 4930073, 8574040, 9860146, 19720292, 21649451, 24650365, 39440584, 43298902, 49300730, 86597804, 98601460, 108247255, 173195608, 197202920, 216494510, 432989020, 497937373, 865978040, 995874746, 1991749492, 2489686865, 3983498984, 4979373730, 9958747460, 19917494920]

約数ペア:

[(1, 19917494920), (2, 9958747460), (4, 4979373730), (5, 3983498984), (8, 2489686865), (10, 1991749492), (20, 995874746), (23, 865978040), (40, 497937373), (46, 432989020), (92, 216494510), (101, 197202920), (115, 173195608), (184, 108247255), (202, 98601460), (230, 86597804), (404, 49300730), (460, 43298902), (505, 39440584), (808, 24650365), (920, 21649451), (1010, 19720292), (2020, 9860146), (2323, 8574040), (4040, 4930073), (4646, 4287020), (9292, 2143510), (11615, 1714808), (18584, 1071755), (23230, 857404), (46460, 428702), (92920, 214351)]