18373481

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 23846400

約数和(自身を除く): 5472919

約数列:

[1, 7, 17, 23, 49, 119, 137, 161, 343, 391, 833, 959, 1127, 2329, 2737, 3151, 5831, 6713, 7889, 16303, 19159, 22057, 46991, 53567, 114121, 134113, 154399, 374969, 798847, 1080793, 2624783, 18373481]

約数ペア:

[(1, 18373481), (7, 2624783), (17, 1080793), (23, 798847), (49, 374969), (119, 154399), (137, 134113), (161, 114121), (343, 53567), (391, 46991), (833, 22057), (959, 19159), (1127, 16303), (2329, 7889), (2737, 6713), (3151, 5831)]