19964376

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6763}}^1$

素因数の和:6816

約数の個数: 48

約数和(自身を含む): 55397160

約数和(自身を除く): 35432784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6763, 13526, 20289, 27052, 40578, 54104, 60867, 81156, 121734, 162312, 243468, 277283, 486936, 554566, 831849, 1109132, 1663698, 2218264, 2495547, 3327396, 4991094, 6654792, 9982188, 19964376]

約数ペア:

[(1, 19964376), (2, 9982188), (3, 6654792), (4, 4991094), (6, 3327396), (8, 2495547), (9, 2218264), (12, 1663698), (18, 1109132), (24, 831849), (36, 554566), (41, 486936), (72, 277283), (82, 243468), (123, 162312), (164, 121734), (246, 81156), (328, 60867), (369, 54104), (492, 40578), (738, 27052), (984, 20289), (1476, 13526), (2952, 6763)]