17998508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:974

約数の個数: 36

約数和(自身を含む): 35504616

約数和(自身を除く): 17506108

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 907, 1804, 1814, 3628, 4961, 9922, 9977, 19844, 19954, 37187, 39908, 74374, 109747, 148748, 219494, 409057, 438988, 818114, 1636228, 4499627, 8999254, 17998508]

約数ペア:

[(1, 17998508), (2, 8999254), (4, 4499627), (11, 1636228), (22, 818114), (41, 438988), (44, 409057), (82, 219494), (121, 148748), (164, 109747), (242, 74374), (451, 39908), (484, 37187), (902, 19954), (907, 19844), (1804, 9977), (1814, 9922), (3628, 4961)]