201901790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{9749}}^1$

素因数の和:9884

約数の個数: 32

約数和(自身を含む): 386100000

約数和(自身を除く): 184198210

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 9749, 10355, 19498, 20710, 48745, 97490, 185231, 370462, 926155, 1062641, 1852310, 2125282, 5313205, 10626410, 20190179, 40380358, 100950895, 201901790]

約数ペア:

[(1, 201901790), (2, 100950895), (5, 40380358), (10, 20190179), (19, 10626410), (38, 5313205), (95, 2125282), (109, 1852310), (190, 1062641), (218, 926155), (545, 370462), (1090, 185231), (2071, 97490), (4142, 48745), (9749, 20710), (10355, 19498)]