18768656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 38702880

約数和(自身を除く): 19934224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 577, 856, 1154, 1712, 2033, 2308, 4066, 4616, 8132, 9232, 10963, 16264, 21926, 32528, 43852, 61739, 87704, 123478, 175408, 246956, 493912, 987824, 1173041, 2346082, 4692164, 9384328, 18768656]

約数ペア:

[(1, 18768656), (2, 9384328), (4, 4692164), (8, 2346082), (16, 1173041), (19, 987824), (38, 493912), (76, 246956), (107, 175408), (152, 123478), (214, 87704), (304, 61739), (428, 43852), (577, 32528), (856, 21926), (1154, 16264), (1712, 10963), (2033, 9232), (2308, 8132), (4066, 4616)]