18188776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7039}}^1$

素因数の和:7081

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19827224

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7039, 14078, 28156, 56312, 119663, 133741, 239326, 267482, 478652, 534964, 957304, 1069928, 2273597, 4547194, 9094388, 18188776]

約数ペア:

[(1, 18188776), (2, 9094388), (4, 4547194), (8, 2273597), (17, 1069928), (19, 957304), (34, 534964), (38, 478652), (68, 267482), (76, 239326), (136, 133741), (152, 119663), (323, 56312), (646, 28156), (1292, 14078), (2584, 7039)]