19770580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26717}}^1$

素因数の和:26763

約数の個数: 24

約数和(自身を含む): 42641928

約数和(自身を除く): 22871348

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26717, 53434, 106868, 133585, 267170, 534340, 988529, 1977058, 3954116, 4942645, 9885290, 19770580]

約数ペア:

[(1, 19770580), (2, 9885290), (4, 4942645), (5, 3954116), (10, 1977058), (20, 988529), (37, 534340), (74, 267170), (148, 133585), (185, 106868), (370, 53434), (740, 26717)]