18670064

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 41827680

約数和(自身を除く): 23157616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 1873, 2492, 3746, 4984, 7492, 9968, 13111, 14984, 26222, 29968, 52444, 104888, 166697, 209776, 333394, 666788, 1166879, 1333576, 2333758, 2667152, 4667516, 9335032, 18670064]

約数ペア:

[(1, 18670064), (2, 9335032), (4, 4667516), (7, 2667152), (8, 2333758), (14, 1333576), (16, 1166879), (28, 666788), (56, 333394), (89, 209776), (112, 166697), (178, 104888), (356, 52444), (623, 29968), (712, 26222), (1246, 14984), (1424, 13111), (1873, 9968), (2492, 7492), (3746, 4984)]