18886546

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 33517440

約数和(自身を除く): 14630894

約数列:

[1, 2, 7, 14, 43, 86, 137, 229, 274, 301, 458, 602, 959, 1603, 1918, 3206, 5891, 9847, 11782, 19694, 31373, 41237, 62746, 68929, 82474, 137858, 219611, 439222, 1349039, 2698078, 9443273, 18886546]

約数ペア:

[(1, 18886546), (2, 9443273), (7, 2698078), (14, 1349039), (43, 439222), (86, 219611), (137, 137858), (229, 82474), (274, 68929), (301, 62746), (458, 41237), (602, 31373), (959, 19694), (1603, 11782), (1918, 9847), (3206, 5891)]