19785944

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 38329200

約数和(自身を除く): 18543256

約数列:

[1, 2, 4, 8, 41, 82, 164, 179, 328, 337, 358, 674, 716, 1348, 1432, 2696, 7339, 13817, 14678, 27634, 29356, 55268, 58712, 60323, 110536, 120646, 241292, 482584, 2473243, 4946486, 9892972, 19785944]

約数ペア:

[(1, 19785944), (2, 9892972), (4, 4946486), (8, 2473243), (41, 482584), (82, 241292), (164, 120646), (179, 110536), (328, 60323), (337, 58712), (358, 55268), (674, 29356), (716, 27634), (1348, 14678), (1432, 13817), (2696, 7339)]