18687726

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{20357}}^1$

素因数の和:20385

約数の個数: 32

約数和(自身を含む): 43973280

約数和(自身を除く): 25285554

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 20357, 40714, 61071, 122142, 183213, 346069, 366426, 549639, 692138, 1038207, 1099278, 2076414, 3114621, 6229242, 9343863, 18687726]

約数ペア:

[(1, 18687726), (2, 9343863), (3, 6229242), (6, 3114621), (9, 2076414), (17, 1099278), (18, 1038207), (27, 692138), (34, 549639), (51, 366426), (54, 346069), (102, 183213), (153, 122142), (306, 61071), (459, 40714), (918, 20357)]