19891179

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28703}}^1$

素因数の和:28727

約数の個数: 24

約数和(自身を含む): 35822592

約数和(自身を除く): 15931413

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28703, 86109, 200921, 258327, 315733, 602763, 947199, 1808289, 2210131, 2841597, 6630393, 19891179]

約数ペア:

[(1, 19891179), (3, 6630393), (7, 2841597), (9, 2210131), (11, 1808289), (21, 947199), (33, 602763), (63, 315733), (77, 258327), (99, 200921), (231, 86109), (693, 28703)]