18702530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 42550272

約数和(自身を除く): 23847742

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 227, 385, 454, 535, 749, 770, 1070, 1135, 1177, 1498, 1589, 2270, 2354, 2497, 3178, 3745, 4994, 5885, 7490, 7945, 8239, 11770, 12485, 15890, 16478, 17479, 24289, 24970, 34958, 41195, 48578, 82390, 87395, 121445, 170023, 174790, 242890, 267179, 340046, 534358, 850115, 1335895, 1700230, 1870253, 2671790, 3740506, 9351265, 18702530]

約数ペア:

[(1, 18702530), (2, 9351265), (5, 3740506), (7, 2671790), (10, 1870253), (11, 1700230), (14, 1335895), (22, 850115), (35, 534358), (55, 340046), (70, 267179), (77, 242890), (107, 174790), (110, 170023), (154, 121445), (214, 87395), (227, 82390), (385, 48578), (454, 41195), (535, 34958), (749, 24970), (770, 24289), (1070, 17479), (1135, 16478), (1177, 15890), (1498, 12485), (1589, 11770), (2270, 8239), (2354, 7945), (2497, 7490), (3178, 5885), (3745, 4994)]