19684624

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 19687856

約数列:

[1, 2, 4, 8, 16, 53, 106, 139, 167, 212, 278, 334, 424, 556, 668, 848, 1112, 1336, 2224, 2672, 7367, 8851, 14734, 17702, 23213, 29468, 35404, 46426, 58936, 70808, 92852, 117872, 141616, 185704, 371408, 1230289, 2460578, 4921156, 9842312, 19684624]

約数ペア:

[(1, 19684624), (2, 9842312), (4, 4921156), (8, 2460578), (16, 1230289), (53, 371408), (106, 185704), (139, 141616), (167, 117872), (212, 92852), (278, 70808), (334, 58936), (424, 46426), (556, 35404), (668, 29468), (848, 23213), (1112, 17702), (1336, 14734), (2224, 8851), (2672, 7367)]