19778572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12149}}^1$

素因数の和:12201

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 19004228

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12149, 24298, 48596, 133639, 267278, 449513, 534556, 899026, 1798052, 4944643, 9889286, 19778572]

約数ペア:

[(1, 19778572), (2, 9889286), (4, 4944643), (11, 1798052), (22, 899026), (37, 534556), (44, 449513), (74, 267278), (148, 133639), (407, 48596), (814, 24298), (1628, 12149)]