18479069

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 22688064

約数和(自身を除く): 4208995

約数列:

[1, 7, 31, 41, 67, 217, 287, 469, 961, 1271, 2077, 2747, 6727, 8897, 14539, 19229, 39401, 64387, 85157, 275807, 450709, 596099, 2639867, 18479069]

約数ペア:

[(1, 18479069), (7, 2639867), (31, 596099), (41, 450709), (67, 275807), (217, 85157), (287, 64387), (469, 39401), (961, 19229), (1271, 14539), (2077, 8897), (2747, 6727)]