19766908

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5153}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 39830112

約数和(自身を除く): 20063204

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5153, 10306, 20612, 36071, 72142, 144284, 705961, 1411922, 2823844, 4941727, 9883454, 19766908]

約数ペア:

[(1, 19766908), (2, 9883454), (4, 4941727), (7, 2823844), (14, 1411922), (28, 705961), (137, 144284), (274, 72142), (548, 36071), (959, 20612), (1918, 10306), (3836, 5153)]