19893321

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13729}}^1$

素因数の和:13765

約数の個数: 24

約数和(自身を含む): 34270080

約数和(自身を除く): 14376759

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13729, 41187, 96103, 123561, 288309, 315767, 864927, 947301, 2210369, 2841903, 6631107, 19893321]

約数ペア:

[(1, 19893321), (3, 6631107), (7, 2841903), (9, 2210369), (21, 947301), (23, 864927), (63, 315767), (69, 288309), (161, 123561), (207, 96103), (483, 41187), (1449, 13729)]