19225090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13831}}^1$

素因数の和:13977

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 15631550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 13831, 27662, 69155, 138310, 1922509, 3845018, 9612545, 19225090]

約数ペア:

[(1, 19225090), (2, 9612545), (5, 3845018), (10, 1922509), (139, 138310), (278, 69155), (695, 27662), (1390, 13831)]