18717678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 46706400

約数和(自身を除く): 27988722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 997, 1043, 1341, 1994, 2086, 2682, 2991, 3129, 5982, 6258, 6979, 8973, 9387, 13958, 17946, 18774, 20937, 41874, 62811, 125622, 148553, 297106, 445659, 891318, 1039871, 1336977, 2079742, 2673954, 3119613, 6239226, 9358839, 18717678]

約数ペア:

[(1, 18717678), (2, 9358839), (3, 6239226), (6, 3119613), (7, 2673954), (9, 2079742), (14, 1336977), (18, 1039871), (21, 891318), (42, 445659), (63, 297106), (126, 148553), (149, 125622), (298, 62811), (447, 41874), (894, 20937), (997, 18774), (1043, 17946), (1341, 13958), (1994, 9387), (2086, 8973), (2682, 6979), (2991, 6258), (3129, 5982)]