19131378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2633}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 43998336

約数和(自身を除く): 24866958

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2633, 3633, 5266, 7266, 7899, 15798, 18431, 36862, 55293, 110586, 455509, 911018, 1366527, 2733054, 3188563, 6377126, 9565689, 19131378]

約数ペア:

[(1, 19131378), (2, 9565689), (3, 6377126), (6, 3188563), (7, 2733054), (14, 1366527), (21, 911018), (42, 455509), (173, 110586), (346, 55293), (519, 36862), (1038, 18431), (1211, 15798), (2422, 7899), (2633, 7266), (3633, 5266)]