19986652

素因数分解:

$2^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{907}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 40068224

約数和(自身を除く): 20081572

約数列:

[1, 2, 4, 7, 14, 28, 787, 907, 1574, 1814, 3148, 3628, 5509, 6349, 11018, 12698, 22036, 25396, 713809, 1427618, 2855236, 4996663, 9993326, 19986652]

約数ペア:

[(1, 19986652), (2, 9993326), (4, 4996663), (7, 2855236), (14, 1427618), (28, 713809), (787, 25396), (907, 22036), (1574, 12698), (1814, 11018), (3148, 6349), (3628, 5509)]