19745420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26683}}^1$

素因数の和:26729

約数の個数: 24

約数和(自身を含む): 42587664

約数和(自身を除く): 22842244

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26683, 53366, 106732, 133415, 266830, 533660, 987271, 1974542, 3949084, 4936355, 9872710, 19745420]

約数ペア:

[(1, 19745420), (2, 9872710), (4, 4936355), (5, 3949084), (10, 1974542), (20, 987271), (37, 533660), (74, 266830), (148, 133415), (185, 106732), (370, 53366), (740, 26683)]