11845820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 28643328

約数和(自身を除く): 16797508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 443, 764, 886, 955, 1337, 1772, 1910, 2215, 2674, 3101, 3820, 4430, 5348, 6202, 6685, 8860, 12404, 13370, 15505, 26740, 31010, 62020, 84613, 169226, 338452, 423065, 592291, 846130, 1184582, 1692260, 2369164, 2961455, 5922910, 11845820]

約数ペア:

[(1, 11845820), (2, 5922910), (4, 2961455), (5, 2369164), (7, 1692260), (10, 1184582), (14, 846130), (20, 592291), (28, 423065), (35, 338452), (70, 169226), (140, 84613), (191, 62020), (382, 31010), (443, 26740), (764, 15505), (886, 13370), (955, 12404), (1337, 8860), (1772, 6685), (1910, 6202), (2215, 5348), (2674, 4430), (3101, 3820)]