18716236

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8681}}^1$

素因数の和:8710

約数の個数: 36

約数和(自身を含む): 41569416

約数和(自身を除く): 22853180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 8681, 17362, 34724, 60767, 95491, 121534, 190982, 243068, 381964, 425369, 668437, 850738, 1336874, 1701476, 2673748, 4679059, 9358118, 18716236]

約数ペア:

[(1, 18716236), (2, 9358118), (4, 4679059), (7, 2673748), (11, 1701476), (14, 1336874), (22, 850738), (28, 668437), (44, 425369), (49, 381964), (77, 243068), (98, 190982), (154, 121534), (196, 95491), (308, 60767), (539, 34724), (1078, 17362), (2156, 8681)]