19692244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 21232556

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 173, 199, 286, 346, 398, 572, 692, 796, 1903, 2189, 2249, 2587, 3806, 4378, 4498, 5174, 7612, 8756, 8996, 10348, 24739, 28457, 34427, 49478, 56914, 68854, 98956, 113828, 137708, 378697, 447551, 757394, 895102, 1514788, 1790204, 4923061, 9846122, 19692244]

約数ペア:

[(1, 19692244), (2, 9846122), (4, 4923061), (11, 1790204), (13, 1514788), (22, 895102), (26, 757394), (44, 447551), (52, 378697), (143, 137708), (173, 113828), (199, 98956), (286, 68854), (346, 56914), (398, 49478), (572, 34427), (692, 28457), (796, 24739), (1903, 10348), (2189, 8996), (2249, 8756), (2587, 7612), (3806, 5174), (4378, 4498)]