18664856

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 40512000

約数和(自身を除く): 21847144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4219, 4424, 8438, 16876, 29533, 33752, 59066, 118132, 236264, 333301, 666602, 1333204, 2333107, 2666408, 4666214, 9332428, 18664856]

約数ペア:

[(1, 18664856), (2, 9332428), (4, 4666214), (7, 2666408), (8, 2333107), (14, 1333204), (28, 666602), (56, 333301), (79, 236264), (158, 118132), (316, 59066), (553, 33752), (632, 29533), (1106, 16876), (2212, 8438), (4219, 4424)]