19169456

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4421}}^1$

素因数の和:4700

約数の個数: 20

約数和(自身を含む): 37286304

約数和(自身を除く): 18116848

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4421, 8842, 17684, 35368, 70736, 1198091, 2396182, 4792364, 9584728, 19169456]

約数ペア:

[(1, 19169456), (2, 9584728), (4, 4792364), (8, 2396182), (16, 1198091), (271, 70736), (542, 35368), (1084, 17684), (2168, 8842), (4336, 4421)]