19983112

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{40949}}^1$

素因数の和:41016

約数の個数: 16

約数和(自身を含む): 38083500

約数和(自身を除く): 18100388

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 40949, 81898, 163796, 327592, 2497889, 4995778, 9991556, 19983112]

約数ペア:

[(1, 19983112), (2, 9991556), (4, 4995778), (8, 2497889), (61, 327592), (122, 163796), (244, 81898), (488, 40949)]