18013110340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{657893}}^1$

素因数の和:657976

約数の個数: 36

約数和(自身を含む): 38877588036

約数和(自身を除く): 20864477696

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 5476, 6845, 13690, 27380, 657893, 1315786, 2631572, 3289465, 6578930, 13157860, 24342041, 48684082, 97368164, 121710205, 243420410, 486840820, 900655517, 1801311034, 3602622068, 4503277585, 9006555170, 18013110340]

約数ペア:

[(1, 18013110340), (2, 9006555170), (4, 4503277585), (5, 3602622068), (10, 1801311034), (20, 900655517), (37, 486840820), (74, 243420410), (148, 121710205), (185, 97368164), (370, 48684082), (740, 24342041), (1369, 13157860), (2738, 6578930), (5476, 3289465), (6845, 2631572), (13690, 1315786), (27380, 657893)]