18741550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 18577490

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 379, 430, 575, 758, 989, 1075, 1150, 1895, 1978, 2150, 3790, 4945, 8717, 9475, 9890, 16297, 17434, 18950, 24725, 32594, 43585, 49450, 81485, 87170, 162970, 217925, 374831, 407425, 435850, 749662, 814850, 1874155, 3748310, 9370775, 18741550]

約数ペア:

[(1, 18741550), (2, 9370775), (5, 3748310), (10, 1874155), (23, 814850), (25, 749662), (43, 435850), (46, 407425), (50, 374831), (86, 217925), (115, 162970), (215, 87170), (230, 81485), (379, 49450), (430, 43585), (575, 32594), (758, 24725), (989, 18950), (1075, 17434), (1150, 16297), (1895, 9890), (1978, 9475), (2150, 8717), (3790, 4945)]