19550505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 34038144

約数和(自身を除く): 14487639

約数列:

[1, 3, 5, 13, 15, 39, 65, 107, 195, 321, 535, 937, 1391, 1605, 2811, 4173, 4685, 6955, 12181, 14055, 20865, 36543, 60905, 100259, 182715, 300777, 501295, 1303367, 1503885, 3910101, 6516835, 19550505]

約数ペア:

[(1, 19550505), (3, 6516835), (5, 3910101), (13, 1503885), (15, 1303367), (39, 501295), (65, 300777), (107, 182715), (195, 100259), (321, 60905), (535, 36543), (937, 20865), (1391, 14055), (1605, 12181), (2811, 6955), (4173, 4685)]