19400655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76081}}^1$

素因数の和:76106

約数の個数: 16

約数和(自身を含む): 32867424

約数和(自身を除く): 13466769

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 76081, 228243, 380405, 1141215, 1293377, 3880131, 6466885, 19400655]

約数ペア:

[(1, 19400655), (3, 6466885), (5, 3880131), (15, 1293377), (17, 1141215), (51, 380405), (85, 228243), (255, 76081)]