18243533

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 24835356

約数和(自身を除く): 6591823

約数列:

[1, 7, 11, 17, 49, 77, 119, 121, 181, 187, 539, 833, 847, 1267, 1309, 1991, 2057, 3077, 5929, 8869, 9163, 13937, 14399, 21539, 21901, 33847, 97559, 100793, 150773, 153307, 236929, 372317, 1073149, 1658503, 2606219, 18243533]

約数ペア:

[(1, 18243533), (7, 2606219), (11, 1658503), (17, 1073149), (49, 372317), (77, 236929), (119, 153307), (121, 150773), (181, 100793), (187, 97559), (539, 33847), (833, 21901), (847, 21539), (1267, 14399), (1309, 13937), (1991, 9163), (2057, 8869), (3077, 5929)]