18782370824

素因数分解:

$2^3\times 7^1\times {\mathrm{839}}^1\times {\mathrm{399761}}^1$

素因数の和:400613

約数の個数: 32

約数和(自身を含む): 40296009600

約数和(自身を除く): 21513638776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 839, 1678, 3356, 5873, 6712, 11746, 23492, 46984, 399761, 799522, 1599044, 2798327, 3198088, 5596654, 11193308, 22386616, 335399479, 670798958, 1341597916, 2347796353, 2683195832, 4695592706, 9391185412, 18782370824]

約数ペア:

[(1, 18782370824), (2, 9391185412), (4, 4695592706), (7, 2683195832), (8, 2347796353), (14, 1341597916), (28, 670798958), (56, 335399479), (839, 22386616), (1678, 11193308), (3356, 5596654), (5873, 3198088), (6712, 2798327), (11746, 1599044), (23492, 799522), (46984, 399761)]