19830340

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9817}}^1$

素因数の和:9927

約数の個数: 24

約数和(自身を含む): 42060312

約数和(自身を除く): 22229972

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9817, 19634, 39268, 49085, 98170, 196340, 991517, 1983034, 3966068, 4957585, 9915170, 19830340]

約数ペア:

[(1, 19830340), (2, 9915170), (4, 4957585), (5, 3966068), (10, 1983034), (20, 991517), (101, 196340), (202, 98170), (404, 49085), (505, 39268), (1010, 19634), (2020, 9817)]