18206120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2383}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 41195520

約数和(自身を除く): 22989400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2383, 3820, 4766, 7640, 9532, 11915, 19064, 23830, 47660, 95320, 455153, 910306, 1820612, 2275765, 3641224, 4551530, 9103060, 18206120]

約数ペア:

[(1, 18206120), (2, 9103060), (4, 4551530), (5, 3641224), (8, 2275765), (10, 1820612), (20, 910306), (40, 455153), (191, 95320), (382, 47660), (764, 23830), (955, 19064), (1528, 11915), (1910, 9532), (2383, 7640), (3820, 4766)]