19797016

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 38095200

約数和(自身を除く): 18298184

約数列:

[1, 2, 4, 8, 73, 109, 146, 218, 292, 311, 436, 584, 622, 872, 1244, 2488, 7957, 15914, 22703, 31828, 33899, 45406, 63656, 67798, 90812, 135596, 181624, 271192, 2474627, 4949254, 9898508, 19797016]

約数ペア:

[(1, 19797016), (2, 9898508), (4, 4949254), (8, 2474627), (73, 271192), (109, 181624), (146, 135596), (218, 90812), (292, 67798), (311, 63656), (436, 45406), (584, 33899), (622, 31828), (872, 22703), (1244, 15914), (2488, 7957)]