19770248

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 19239352

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 773, 1112, 1546, 3092, 3197, 6184, 6394, 12788, 17779, 25576, 35558, 71116, 107447, 142232, 214894, 429788, 859576, 2471281, 4942562, 9885124, 19770248]

約数ペア:

[(1, 19770248), (2, 9885124), (4, 4942562), (8, 2471281), (23, 859576), (46, 429788), (92, 214894), (139, 142232), (184, 107447), (278, 71116), (556, 35558), (773, 25576), (1112, 17779), (1546, 12788), (3092, 6394), (3197, 6184)]