19005514227

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1\times {\mathrm{3089}}^1$

素因数の和:4764

約数の個数: 48

約数和(自身を含む): 31918760640

約数和(自身を除く): 12913246413

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 1601, 3089, 3843, 4803, 9267, 11207, 14409, 21623, 27801, 33621, 64869, 97661, 100863, 188429, 194607, 292983, 565287, 683627, 878949, 1319003, 1695861, 2050881, 3957009, 4945489, 6152643, 11871027, 14836467, 34618423, 44509401, 103855269, 301674829, 311565807, 905024487, 2111723803, 2715073461, 6335171409, 19005514227]

約数ペア:

[(1, 19005514227), (3, 6335171409), (7, 2715073461), (9, 2111723803), (21, 905024487), (61, 311565807), (63, 301674829), (183, 103855269), (427, 44509401), (549, 34618423), (1281, 14836467), (1601, 11871027), (3089, 6152643), (3843, 4945489), (4803, 3957009), (9267, 2050881), (11207, 1695861), (14409, 1319003), (21623, 878949), (27801, 683627), (33621, 565287), (64869, 292983), (97661, 194607), (100863, 188429)]