19212776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 39679200

約数和(自身を除く): 20466424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2003, 2398, 4006, 4796, 8012, 9592, 16024, 22033, 44066, 88132, 176264, 218327, 436654, 873308, 1746616, 2401597, 4803194, 9606388, 19212776]

約数ペア:

[(1, 19212776), (2, 9606388), (4, 4803194), (8, 2401597), (11, 1746616), (22, 873308), (44, 436654), (88, 218327), (109, 176264), (218, 88132), (436, 44066), (872, 22033), (1199, 16024), (2003, 9592), (2398, 8012), (4006, 4796)]