18789632

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3898

約数の個数: 36

約数和(自身を含む): 39490080

約数和(自身を除く): 20700448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 3863, 4864, 7726, 15452, 30904, 61808, 73397, 123616, 146794, 247232, 293588, 494464, 587176, 988928, 1174352, 2348704, 4697408, 9394816, 18789632]

約数ペア:

[(1, 18789632), (2, 9394816), (4, 4697408), (8, 2348704), (16, 1174352), (19, 988928), (32, 587176), (38, 494464), (64, 293588), (76, 247232), (128, 146794), (152, 123616), (256, 73397), (304, 61808), (608, 30904), (1216, 15452), (2432, 7726), (3863, 4864)]