19163188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 19140812

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 79, 148, 149, 158, 298, 316, 407, 596, 814, 869, 1628, 1639, 1738, 2923, 3278, 3476, 5513, 5846, 6556, 11026, 11692, 11771, 22052, 23542, 32153, 47084, 60643, 64306, 121286, 128612, 129481, 242572, 258962, 435527, 517924, 871054, 1742108, 4790797, 9581594, 19163188]

約数ペア:

[(1, 19163188), (2, 9581594), (4, 4790797), (11, 1742108), (22, 871054), (37, 517924), (44, 435527), (74, 258962), (79, 242572), (148, 129481), (149, 128612), (158, 121286), (298, 64306), (316, 60643), (407, 47084), (596, 32153), (814, 23542), (869, 22052), (1628, 11771), (1639, 11692), (1738, 11026), (2923, 6556), (3278, 5846), (3476, 5513)]