18575011

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 24127488

約数和(自身を除く): 5552477

約数列:

[1, 7, 13, 43, 47, 91, 101, 301, 329, 559, 611, 707, 1313, 2021, 3913, 4277, 4343, 4747, 9191, 14147, 26273, 30401, 33229, 56459, 61711, 183911, 204121, 395213, 431977, 1428847, 2653573, 18575011]

約数ペア:

[(1, 18575011), (7, 2653573), (13, 1428847), (43, 431977), (47, 395213), (91, 204121), (101, 183911), (301, 61711), (329, 56459), (559, 33229), (611, 30401), (707, 26273), (1313, 14147), (2021, 9191), (3913, 4747), (4277, 4343)]