18919952

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9311}}^1$

素因数の和:9446

約数の個数: 20

約数和(自身を含む): 36950016

約数和(自身を除く): 18030064

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9311, 18622, 37244, 74488, 148976, 1182497, 2364994, 4729988, 9459976, 18919952]

約数ペア:

[(1, 18919952), (2, 9459976), (4, 4729988), (8, 2364994), (16, 1182497), (127, 148976), (254, 74488), (508, 37244), (1016, 18622), (2032, 9311)]