19702053

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13597}}^1$

素因数の和:13633

約数の個数: 24

約数和(自身を含む): 33940608

約数和(自身を除く): 14238555

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13597, 40791, 95179, 122373, 285537, 312731, 856611, 938193, 2189117, 2814579, 6567351, 19702053]

約数ペア:

[(1, 19702053), (3, 6567351), (7, 2814579), (9, 2189117), (21, 938193), (23, 856611), (63, 312731), (69, 285537), (161, 122373), (207, 95179), (483, 40791), (1449, 13597)]