19713660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4250

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 36196740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4159, 4740, 8318, 12477, 16636, 20795, 24954, 41590, 49908, 62385, 83180, 124770, 249540, 328561, 657122, 985683, 1314244, 1642805, 1971366, 3285610, 3942732, 4928415, 6571220, 9856830, 19713660]

約数ペア:

[(1, 19713660), (2, 9856830), (3, 6571220), (4, 4928415), (5, 3942732), (6, 3285610), (10, 1971366), (12, 1642805), (15, 1314244), (20, 985683), (30, 657122), (60, 328561), (79, 249540), (158, 124770), (237, 83180), (316, 62385), (395, 49908), (474, 41590), (790, 24954), (948, 20795), (1185, 16636), (1580, 12477), (2370, 8318), (4159, 4740)]