19163930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 17668390

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 811, 1390, 1622, 2363, 4055, 4726, 8110, 11815, 13787, 23630, 27574, 68935, 112729, 137870, 225458, 563645, 1127290, 1916393, 3832786, 9581965, 19163930]

約数ペア:

[(1, 19163930), (2, 9581965), (5, 3832786), (10, 1916393), (17, 1127290), (34, 563645), (85, 225458), (139, 137870), (170, 112729), (278, 68935), (695, 27574), (811, 23630), (1390, 13787), (1622, 11815), (2363, 8110), (4055, 4726)]