18916804599

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4967}}^1\times {\mathrm{16487}}^1$

素因数の和:21475

約数の個数: 32

約数和(自身を含む): 31454355456

約数和(自身を除く): 12537550857

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 4967, 14901, 16487, 34769, 49461, 54637, 104307, 115409, 163911, 181357, 346227, 382459, 544071, 1147377, 1269499, 3808497, 81890929, 245672787, 573236503, 900800219, 1719709509, 2702400657, 6305601533, 18916804599]

約数ペア:

[(1, 18916804599), (3, 6305601533), (7, 2702400657), (11, 1719709509), (21, 900800219), (33, 573236503), (77, 245672787), (231, 81890929), (4967, 3808497), (14901, 1269499), (16487, 1147377), (34769, 544071), (49461, 382459), (54637, 346227), (104307, 181357), (115409, 163911)]