19738605537

素因数分解:

$3^2\times 7^1\times {\mathrm{977}}^1\times {\mathrm{320687}}^1$

素因数の和:321677

約数の個数: 24

約数和(自身を含む): 32617817856

約数和(自身を除く): 12879212319

約数列:

[1, 3, 7, 9, 21, 63, 977, 2931, 6839, 8793, 20517, 61551, 320687, 962061, 2244809, 2886183, 6734427, 20203281, 313311199, 939933597, 2193178393, 2819800791, 6579535179, 19738605537]

約数ペア:

[(1, 19738605537), (3, 6579535179), (7, 2819800791), (9, 2193178393), (21, 939933597), (63, 313311199), (977, 20203281), (2931, 6734427), (6839, 2886183), (8793, 2244809), (20517, 962061), (61551, 320687)]