18131238

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{4517}}^1$

素因数の和:4748

約数の個数: 24

約数和(自身を含む): 39469248

約数和(自身を除く): 21338010

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 4517, 9034, 13551, 27102, 40653, 81306, 1007291, 2014582, 3021873, 6043746, 9065619, 18131238]

約数ペア:

[(1, 18131238), (2, 9065619), (3, 6043746), (6, 3021873), (9, 2014582), (18, 1007291), (223, 81306), (446, 40653), (669, 27102), (1338, 13551), (2007, 9034), (4014, 4517)]