19954100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5444

約数の個数: 36

約数和(自身を含む): 44478924

約数和(自身を除く): 24524824

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5393, 10786, 21572, 26965, 53930, 107860, 134825, 199541, 269650, 399082, 539300, 798164, 997705, 1995410, 3990820, 4988525, 9977050, 19954100]

約数ペア:

[(1, 19954100), (2, 9977050), (4, 4988525), (5, 3990820), (10, 1995410), (20, 997705), (25, 798164), (37, 539300), (50, 399082), (74, 269650), (100, 199541), (148, 134825), (185, 107860), (370, 53930), (740, 26965), (925, 21572), (1850, 10786), (3700, 5393)]