19995096

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 39102504

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 37, 44, 46, 66, 69, 74, 88, 89, 92, 111, 132, 138, 148, 178, 184, 222, 253, 264, 267, 276, 296, 356, 407, 444, 506, 534, 552, 712, 759, 814, 851, 888, 979, 1012, 1068, 1221, 1518, 1628, 1702, 1958, 2024, 2047, 2136, 2442, 2553, 2937, 3036, 3256, 3293, 3404, 3916, 4094, 4884, 5106, 5874, 6072, 6141, 6586, 6808, 7832, 8188, 9361, 9768, 9879, 10212, 11748, 12282, 13172, 16376, 18722, 19758, 20424, 22517, 23496, 24564, 26344, 28083, 36223, 37444, 39516, 45034, 49128, 56166, 67551, 72446, 74888, 75739, 79032, 90068, 108669, 112332, 135102, 144892, 151478, 180136, 217338, 224664, 227217, 270204, 289784, 302956, 434676, 454434, 540408, 605912, 833129, 869352, 908868, 1666258, 1817736, 2499387, 3332516, 4998774, 6665032, 9997548, 19995096]

約数ペア:

[(1, 19995096), (2, 9997548), (3, 6665032), (4, 4998774), (6, 3332516), (8, 2499387), (11, 1817736), (12, 1666258), (22, 908868), (23, 869352), (24, 833129), (33, 605912), (37, 540408), (44, 454434), (46, 434676), (66, 302956), (69, 289784), (74, 270204), (88, 227217), (89, 224664), (92, 217338), (111, 180136), (132, 151478), (138, 144892), (148, 135102), (178, 112332), (184, 108669), (222, 90068), (253, 79032), (264, 75739), (267, 74888), (276, 72446), (296, 67551), (356, 56166), (407, 49128), (444, 45034), (506, 39516), (534, 37444), (552, 36223), (712, 28083), (759, 26344), (814, 24564), (851, 23496), (888, 22517), (979, 20424), (1012, 19758), (1068, 18722), (1221, 16376), (1518, 13172), (1628, 12282), (1702, 11748), (1958, 10212), (2024, 9879), (2047, 9768), (2136, 9361), (2442, 8188), (2553, 7832), (2937, 6808), (3036, 6586), (3256, 6141), (3293, 6072), (3404, 5874), (3916, 5106), (4094, 4884)]