19392656

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 39086784

約数和(自身を除く): 19694128

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 397, 568, 688, 794, 1136, 1588, 3053, 3176, 6106, 6352, 12212, 17071, 24424, 28187, 34142, 48848, 56374, 68284, 112748, 136568, 225496, 273136, 450992, 1212041, 2424082, 4848164, 9696328, 19392656]

約数ペア:

[(1, 19392656), (2, 9696328), (4, 4848164), (8, 2424082), (16, 1212041), (43, 450992), (71, 273136), (86, 225496), (142, 136568), (172, 112748), (284, 68284), (344, 56374), (397, 48848), (568, 34142), (688, 28187), (794, 24424), (1136, 17071), (1588, 12212), (3053, 6352), (3176, 6106)]