18710660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2333}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 39407256

約数和(自身を除く): 20696596

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2333, 4010, 4666, 8020, 9332, 11665, 23330, 46660, 935533, 1871066, 3742132, 4677665, 9355330, 18710660]

約数ペア:

[(1, 18710660), (2, 9355330), (4, 4677665), (5, 3742132), (10, 1871066), (20, 935533), (401, 46660), (802, 23330), (1604, 11665), (2005, 9332), (2333, 8020), (4010, 4666)]