19156686017

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{127447}}^1$

素因数の和:127760

約数の個数: 16

約数和(自身を含む): 22206539520

約数和(自身を除く): 3049853503

約数列:

[1, 7, 109, 197, 763, 1379, 21473, 127447, 150311, 892129, 13891723, 25107059, 97242061, 175749413, 2736669431, 19156686017]

約数ペア:

[(1, 19156686017), (7, 2736669431), (109, 175749413), (197, 97242061), (763, 25107059), (1379, 13891723), (21473, 892129), (127447, 150311)]