19315947

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 30279312

約数和(自身を除く): 10963365

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1301, 2121, 3903, 4949, 9107, 14847, 27321, 63749, 131401, 191247, 394203, 919807, 2759421, 6438649, 19315947]

約数ペア:

[(1, 19315947), (3, 6438649), (7, 2759421), (21, 919807), (49, 394203), (101, 191247), (147, 131401), (303, 63749), (707, 27321), (1301, 14847), (2121, 9107), (3903, 4949)]