18805293

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 29572088

約数和(自身を除く): 10766795

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1657, 3783, 4971, 11349, 14913, 21541, 64623, 160729, 193869, 482187, 1446561, 2089477, 6268431, 18805293]

約数ペア:

[(1, 18805293), (3, 6268431), (9, 2089477), (13, 1446561), (39, 482187), (97, 193869), (117, 160729), (291, 64623), (873, 21541), (1261, 14913), (1657, 11349), (3783, 4971)]