180209018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{823}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 304352640

約数和(自身を除く): 124143622

約数列:

[1, 2, 11, 22, 37, 74, 269, 407, 538, 814, 823, 1646, 2959, 5918, 9053, 9953, 18106, 19906, 30451, 60902, 109483, 218966, 221387, 334961, 442774, 669922, 2435257, 4870514, 8191319, 16382638, 90104509, 180209018]

約数ペア:

[(1, 180209018), (2, 90104509), (11, 16382638), (22, 8191319), (37, 4870514), (74, 2435257), (269, 669922), (407, 442774), (538, 334961), (814, 221387), (823, 218966), (1646, 109483), (2959, 60902), (5918, 30451), (9053, 19906), (9953, 18106)]