9920358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1831}}^1$

素因数の和:1889

約数の個数: 48

約数和(自身を含む): 25149696

約数和(自身を除く): 15229338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 1831, 2709, 3662, 5418, 5493, 10986, 12817, 16479, 25634, 32958, 38451, 76902, 78733, 115353, 157466, 230706, 236199, 472398, 551131, 708597, 1102262, 1417194, 1653393, 3306786, 4960179, 9920358]

約数ペア:

[(1, 9920358), (2, 4960179), (3, 3306786), (6, 1653393), (7, 1417194), (9, 1102262), (14, 708597), (18, 551131), (21, 472398), (42, 236199), (43, 230706), (63, 157466), (86, 115353), (126, 78733), (129, 76902), (258, 38451), (301, 32958), (387, 25634), (602, 16479), (774, 12817), (903, 10986), (1806, 5493), (1831, 5418), (2709, 3662)]