18553976

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8081}}^1$

素因数の和:8135

約数の個数: 32

約数和(自身を含む): 40733280

約数和(自身を除く): 22179304

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8081, 16162, 32324, 56567, 64648, 113134, 226268, 331321, 452536, 662642, 1325284, 2319247, 2650568, 4638494, 9276988, 18553976]

約数ペア:

[(1, 18553976), (2, 9276988), (4, 4638494), (7, 2650568), (8, 2319247), (14, 1325284), (28, 662642), (41, 452536), (56, 331321), (82, 226268), (164, 113134), (287, 64648), (328, 56567), (574, 32324), (1148, 16162), (2296, 8081)]