19937212

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 35896896

約数和(自身を除く): 15959684

約数列:

[1, 2, 4, 47, 94, 173, 188, 346, 613, 692, 1226, 2452, 8131, 16262, 28811, 32524, 57622, 106049, 115244, 212098, 424196, 4984303, 9968606, 19937212]

約数ペア:

[(1, 19937212), (2, 9968606), (4, 4984303), (47, 424196), (94, 212098), (173, 115244), (188, 106049), (346, 57622), (613, 32524), (692, 28811), (1226, 16262), (2452, 8131)]