19705384

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 38536200

約数和(自身を除く): 18830816

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 541, 628, 1082, 1256, 2164, 4328, 4553, 9106, 15689, 18212, 31378, 36424, 62756, 84937, 125512, 169874, 339748, 679496, 2463173, 4926346, 9852692, 19705384]

約数ペア:

[(1, 19705384), (2, 9852692), (4, 4926346), (8, 2463173), (29, 679496), (58, 339748), (116, 169874), (157, 125512), (232, 84937), (314, 62756), (541, 36424), (628, 31378), (1082, 18212), (1256, 15689), (2164, 9106), (4328, 4553)]