2021980168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19442117}}^1$

素因数の和:19442136

約数の個数: 16

約数和(自身を含む): 4082844780

約数和(自身を除く): 2060864612

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 19442117, 38884234, 77768468, 155536936, 252747521, 505495042, 1010990084, 2021980168]

約数ペア:

[(1, 2021980168), (2, 1010990084), (4, 505495042), (8, 252747521), (13, 155536936), (26, 77768468), (52, 38884234), (104, 19442117)]