18172322

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 15264478

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1289, 2014, 2578, 7049, 9023, 14098, 18046, 24491, 48982, 68317, 136634, 171437, 342874, 478219, 956438, 1298023, 2596046, 9086161, 18172322]

約数ペア:

[(1, 18172322), (2, 9086161), (7, 2596046), (14, 1298023), (19, 956438), (38, 478219), (53, 342874), (106, 171437), (133, 136634), (266, 68317), (371, 48982), (742, 24491), (1007, 18046), (1289, 14098), (2014, 9023), (2578, 7049)]