18643023

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 30937088

約数和(自身を除く): 12294065

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1327, 1561, 2007, 3981, 4683, 9289, 11943, 14049, 27867, 83601, 295921, 887763, 2071447, 2663289, 6214341, 18643023]

約数ペア:

[(1, 18643023), (3, 6214341), (7, 2663289), (9, 2071447), (21, 887763), (63, 295921), (223, 83601), (669, 27867), (1327, 14049), (1561, 11943), (2007, 9289), (3981, 4683)]