19500530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2341}}^1$

素因数の和:2379

約数の個数: 48

約数和(自身を含む): 43252056

約数和(自身を除く): 23751526

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2341, 4165, 4682, 8330, 11705, 16387, 23410, 32774, 39797, 79594, 81935, 114709, 163870, 198985, 229418, 278579, 397970, 557158, 573545, 1147090, 1392895, 1950053, 2785790, 3900106, 9750265, 19500530]

約数ペア:

[(1, 19500530), (2, 9750265), (5, 3900106), (7, 2785790), (10, 1950053), (14, 1392895), (17, 1147090), (34, 573545), (35, 557158), (49, 397970), (70, 278579), (85, 229418), (98, 198985), (119, 163870), (170, 114709), (238, 81935), (245, 79594), (490, 39797), (595, 32774), (833, 23410), (1190, 16387), (1666, 11705), (2341, 8330), (4165, 4682)]