1891020430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1118947}}^1$

素因数の和:1118980

約数の個数: 24

約数和(自身を含む): 3685814712

約数和(自身を除く): 1794794282

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 1118947, 2237894, 5594735, 11189470, 14546311, 29092622, 72731555, 145463110, 189102043, 378204086, 945510215, 1891020430]

約数ペア:

[(1, 1891020430), (2, 945510215), (5, 378204086), (10, 189102043), (13, 145463110), (26, 72731555), (65, 29092622), (130, 14546311), (169, 11189470), (338, 5594735), (845, 2237894), (1690, 1118947)]