19307529

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 30098952

約数和(自身を除く): 10791423

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2381, 2703, 7143, 8109, 21429, 40477, 121431, 126193, 364293, 378579, 1135737, 2145281, 6435843, 19307529]

約数ペア:

[(1, 19307529), (3, 6435843), (9, 2145281), (17, 1135737), (51, 378579), (53, 364293), (153, 126193), (159, 121431), (477, 40477), (901, 21429), (2381, 8109), (2703, 7143)]