19722549

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12197}}^1$

素因数の和:12225

約数の個数: 24

約数和(自身を含む): 33373728

約数和(自身を除く): 13651179

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12197, 36591, 85379, 134167, 256137, 402501, 597653, 939169, 1792959, 2817507, 6574183, 19722549]

約数ペア:

[(1, 19722549), (3, 6574183), (7, 2817507), (11, 1792959), (21, 939169), (33, 597653), (49, 402501), (77, 256137), (147, 134167), (231, 85379), (539, 36591), (1617, 12197)]