9990018

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12907}}^1$

素因数の和:12958

約数の個数: 24

約数和(自身を含む): 22150128

約数和(自身を除く): 12160110

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 12907, 25814, 38721, 77442, 116163, 232326, 555001, 1110002, 1665003, 3330006, 4995009, 9990018]

約数ペア:

[(1, 9990018), (2, 4995009), (3, 3330006), (6, 1665003), (9, 1110002), (18, 555001), (43, 232326), (86, 116163), (129, 77442), (258, 38721), (387, 25814), (774, 12907)]