18049808

素因数分解:

$2^4\times 7^1\times {\mathrm{161159}}^1$

素因数の和:161174

約数の個数: 20

約数和(自身を含む): 39967680

約数和(自身を除く): 21917872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161159, 322318, 644636, 1128113, 1289272, 2256226, 2578544, 4512452, 9024904, 18049808]

約数ペア:

[(1, 18049808), (2, 9024904), (4, 4512452), (7, 2578544), (8, 2256226), (14, 1289272), (16, 1128113), (28, 644636), (56, 322318), (112, 161159)]