18427990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263257}}^1$

素因数の和:263271

約数の個数: 16

約数和(自身を含む): 37909152

約数和(自身を除く): 19481162

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263257, 526514, 1316285, 1842799, 2632570, 3685598, 9213995, 18427990]

約数ペア:

[(1, 18427990), (2, 9213995), (5, 3685598), (7, 2632570), (10, 1842799), (14, 1316285), (35, 526514), (70, 263257)]