18040869

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3719}}^1$

素因数の和:3750

約数の個数: 36

約数和(自身を含む): 33078240

約数和(自身を除く): 15037371

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 3719, 4851, 11157, 26033, 33471, 40909, 78099, 122727, 182231, 234297, 286363, 368181, 546693, 859089, 1640079, 2004541, 2577267, 6013623, 18040869]

約数ペア:

[(1, 18040869), (3, 6013623), (7, 2577267), (9, 2004541), (11, 1640079), (21, 859089), (33, 546693), (49, 368181), (63, 286363), (77, 234297), (99, 182231), (147, 122727), (231, 78099), (441, 40909), (539, 33471), (693, 26033), (1617, 11157), (3719, 4851)]