18804960741

素因数分解:

$3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{366547}}^1$

素因数の和:366913

約数の個数: 24

約数和(自身を含む): 29250530400

約数和(自身を除く): 10445569659

約数列:

[1, 3, 7, 21, 49, 147, 349, 1047, 2443, 7329, 17101, 51303, 366547, 1099641, 2565829, 7697487, 17960803, 53882409, 127924903, 383774709, 895474321, 2686422963, 6268320247, 18804960741]

約数ペア:

[(1, 18804960741), (3, 6268320247), (7, 2686422963), (21, 895474321), (49, 383774709), (147, 127924903), (349, 53882409), (1047, 17960803), (2443, 7697487), (7329, 2565829), (17101, 1099641), (51303, 366547)]