18510730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 39845736

約数和(自身を除く): 21335006

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1021, 1295, 1813, 2042, 2590, 3626, 5105, 7147, 9065, 10210, 14294, 18130, 35735, 37777, 50029, 71470, 75554, 100058, 188885, 250145, 264439, 377770, 500290, 528878, 1322195, 1851073, 2644390, 3702146, 9255365, 18510730]

約数ペア:

[(1, 18510730), (2, 9255365), (5, 3702146), (7, 2644390), (10, 1851073), (14, 1322195), (35, 528878), (37, 500290), (49, 377770), (70, 264439), (74, 250145), (98, 188885), (185, 100058), (245, 75554), (259, 71470), (370, 50029), (490, 37777), (518, 35735), (1021, 18130), (1295, 14294), (1813, 10210), (2042, 9065), (2590, 7147), (3626, 5105)]