18763478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 30935520

約数和(自身を除く): 12172042

約数列:

[1, 2, 17, 34, 61, 83, 109, 122, 166, 218, 1037, 1411, 1853, 2074, 2822, 3706, 5063, 6649, 9047, 10126, 13298, 18094, 86071, 113033, 153799, 172142, 226066, 307598, 551867, 1103734, 9381739, 18763478]

約数ペア:

[(1, 18763478), (2, 9381739), (17, 1103734), (34, 551867), (61, 307598), (83, 226066), (109, 172142), (122, 153799), (166, 113033), (218, 86071), (1037, 18094), (1411, 13298), (1853, 10126), (2074, 9047), (2822, 6649), (3706, 5063)]