19398886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13986074

約数列:

[1, 2, 13, 19, 26, 38, 107, 214, 247, 367, 494, 734, 1391, 2033, 2782, 4066, 4771, 6973, 9542, 13946, 26429, 39269, 52858, 78538, 90649, 181298, 510497, 746111, 1020994, 1492222, 9699443, 19398886]

約数ペア:

[(1, 19398886), (2, 9699443), (13, 1492222), (19, 1020994), (26, 746111), (38, 510497), (107, 181298), (214, 90649), (247, 78538), (367, 52858), (494, 39269), (734, 26429), (1391, 13946), (2033, 9542), (2782, 6973), (4066, 4771)]