18739413

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3863}}^1$

素因数の和:3894

約数の個数: 36

約数和(自身を含む): 34358688

約数和(自身を除く): 15619275

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 3863, 4851, 11589, 27041, 34767, 42493, 81123, 127479, 189287, 243369, 297451, 382437, 567861, 892353, 1703583, 2082157, 2677059, 6246471, 18739413]

約数ペア:

[(1, 18739413), (3, 6246471), (7, 2677059), (9, 2082157), (11, 1703583), (21, 892353), (33, 567861), (49, 382437), (63, 297451), (77, 243369), (99, 189287), (147, 127479), (231, 81123), (441, 42493), (539, 34767), (693, 27041), (1617, 11589), (3863, 4851)]