18348904

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 39588480

約数和(自身を除く): 21239576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2087, 2198, 4174, 4396, 8348, 8792, 14609, 16696, 29218, 58436, 116872, 327659, 655318, 1310636, 2293613, 2621272, 4587226, 9174452, 18348904]

約数ペア:

[(1, 18348904), (2, 9174452), (4, 4587226), (7, 2621272), (8, 2293613), (14, 1310636), (28, 655318), (56, 327659), (157, 116872), (314, 58436), (628, 29218), (1099, 16696), (1256, 14609), (2087, 8792), (2198, 8348), (4174, 4396)]