19881994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2833}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 33922980

約数和(自身を除く): 14040986

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 2833, 3509, 5666, 7018, 31163, 62326, 82157, 164314, 342793, 685586, 903727, 1807454, 9940997, 19881994]

約数ペア:

[(1, 19881994), (2, 9940997), (11, 1807454), (22, 903727), (29, 685586), (58, 342793), (121, 164314), (242, 82157), (319, 62326), (638, 31163), (2833, 7018), (3509, 5666)]