201720910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1061689}}^1$

素因数の和:1061715

約数の個数: 16

約数和(自身を含む): 382208400

約数和(自身を除く): 180487490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1061689, 2123378, 5308445, 10616890, 20172091, 40344182, 100860455, 201720910]

約数ペア:

[(1, 201720910), (2, 100860455), (5, 40344182), (10, 20172091), (19, 10616890), (38, 5308445), (95, 2123378), (190, 1061689)]