18680926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13978274

約数列:

[1, 2, 11, 17, 22, 34, 187, 199, 251, 374, 398, 502, 2189, 2761, 3383, 4267, 4378, 5522, 6766, 8534, 37213, 46937, 49949, 74426, 93874, 99898, 549439, 849133, 1098878, 1698266, 9340463, 18680926]

約数ペア:

[(1, 18680926), (2, 9340463), (11, 1698266), (17, 1098878), (22, 849133), (34, 549439), (187, 99898), (199, 93874), (251, 74426), (374, 49949), (398, 46937), (502, 37213), (2189, 8534), (2761, 6766), (3383, 5522), (4267, 4378)]