19722318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42689}}^1$

素因数の和:42712

約数の個数: 32

約数和(自身を含む): 49178880

約数和(自身を除く): 29456562

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 42689, 85378, 128067, 256134, 298823, 469579, 597646, 896469, 939158, 1408737, 1792938, 2817474, 3287053, 6574106, 9861159, 19722318]

約数ペア:

[(1, 19722318), (2, 9861159), (3, 6574106), (6, 3287053), (7, 2817474), (11, 1792938), (14, 1408737), (21, 939158), (22, 896469), (33, 597646), (42, 469579), (66, 298823), (77, 256134), (154, 128067), (231, 85378), (462, 42689)]