19381789438

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{734771}}^1$

素因数の和:734904

約数の個数: 24

約数和(自身を含む): 32249143080

約数和(自身を除く): 12867353642

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 1199, 2398, 13189, 26378, 734771, 1469542, 8082481, 16164962, 80090039, 88907291, 160180078, 177814582, 880990429, 1761980858, 9690894719, 19381789438]

約数ペア:

[(1, 19381789438), (2, 9690894719), (11, 1761980858), (22, 880990429), (109, 177814582), (121, 160180078), (218, 88907291), (242, 80090039), (1199, 16164962), (2398, 8082481), (13189, 1469542), (26378, 734771)]