19966384

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 41135760

約数和(自身を除く): 21169376

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 232, 296, 464, 592, 1073, 1163, 2146, 2326, 4292, 4652, 8584, 9304, 17168, 18608, 33727, 43031, 67454, 86062, 134908, 172124, 269816, 344248, 539632, 688496, 1247899, 2495798, 4991596, 9983192, 19966384]

約数ペア:

[(1, 19966384), (2, 9983192), (4, 4991596), (8, 2495798), (16, 1247899), (29, 688496), (37, 539632), (58, 344248), (74, 269816), (116, 172124), (148, 134908), (232, 86062), (296, 67454), (464, 43031), (592, 33727), (1073, 18608), (1163, 17168), (2146, 9304), (2326, 8584), (4292, 4652)]