1189788398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{80489}}^1$

素因数の和:80899

約数の個数: 16

約数和(自身を含む): 1883466000

約数和(自身を除く): 693677602

約数列:

[1, 2, 19, 38, 389, 778, 7391, 14782, 80489, 160978, 1529291, 3058582, 31310221, 62620442, 594894199, 1189788398]

約数ペア:

[(1, 1189788398), (2, 594894199), (19, 62620442), (38, 31310221), (389, 3058582), (778, 1529291), (7391, 160978), (14782, 80489)]