18200518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 15288122

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1291, 2014, 2582, 7049, 9037, 14098, 18074, 24529, 49058, 68423, 136846, 171703, 343406, 478961, 957922, 1300037, 2600074, 9100259, 18200518]

約数ペア:

[(1, 18200518), (2, 9100259), (7, 2600074), (14, 1300037), (19, 957922), (38, 478961), (53, 343406), (106, 171703), (133, 136846), (266, 68423), (371, 49058), (742, 24529), (1007, 18074), (1291, 14098), (2014, 9037), (2582, 7049)]