18707510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 16716490

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 326, 499, 815, 998, 1630, 2495, 3749, 4990, 7498, 11477, 18745, 22954, 37490, 57385, 81337, 114770, 162674, 406685, 813370, 1870751, 3741502, 9353755, 18707510]

約数ペア:

[(1, 18707510), (2, 9353755), (5, 3741502), (10, 1870751), (23, 813370), (46, 406685), (115, 162674), (163, 114770), (230, 81337), (326, 57385), (499, 37490), (815, 22954), (998, 18745), (1630, 11477), (2495, 7498), (3749, 4990)]