19961224

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 18452216

約数列:

[1, 2, 4, 8, 71, 113, 142, 226, 284, 311, 452, 568, 622, 904, 1244, 2488, 8023, 16046, 22081, 32092, 35143, 44162, 64184, 70286, 88324, 140572, 176648, 281144, 2495153, 4990306, 9980612, 19961224]

約数ペア:

[(1, 19961224), (2, 9980612), (4, 4990306), (8, 2495153), (71, 281144), (113, 176648), (142, 140572), (226, 88324), (284, 70286), (311, 64184), (452, 44162), (568, 35143), (622, 32092), (904, 22081), (1244, 16046), (2488, 8023)]