18853868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 37111032

約数和(自身を除く): 18257164

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 313, 407, 626, 814, 1252, 1369, 1628, 2738, 3443, 5476, 6886, 11581, 13772, 15059, 23162, 30118, 46324, 60236, 127391, 254782, 428497, 509564, 856994, 1713988, 4713467, 9426934, 18853868]

約数ペア:

[(1, 18853868), (2, 9426934), (4, 4713467), (11, 1713988), (22, 856994), (37, 509564), (44, 428497), (74, 254782), (148, 127391), (313, 60236), (407, 46324), (626, 30118), (814, 23162), (1252, 15059), (1369, 13772), (1628, 11581), (2738, 6886), (3443, 5476)]