19622916

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1373}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 49763532

約数和(自身を除く): 30140616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1373, 1588, 2382, 2746, 3573, 4119, 4764, 5492, 7146, 8238, 12357, 14292, 16476, 24714, 49428, 545081, 1090162, 1635243, 2180324, 3270486, 4905729, 6540972, 9811458, 19622916]

約数ペア:

[(1, 19622916), (2, 9811458), (3, 6540972), (4, 4905729), (6, 3270486), (9, 2180324), (12, 1635243), (18, 1090162), (36, 545081), (397, 49428), (794, 24714), (1191, 16476), (1373, 14292), (1588, 12357), (2382, 8238), (2746, 7146), (3573, 5492), (4119, 4764)]