19468021235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1\times {\mathrm{5437}}^1$

素因数の和:7263

約数の個数: 32

約数和(自身を含む): 25989637632

約数和(自身を除く): 6521616397

約数列:

[1, 5, 13, 31, 65, 155, 403, 1777, 2015, 5437, 8885, 23101, 27185, 55087, 70681, 115505, 168547, 275435, 353405, 716131, 842735, 2191111, 3580655, 9661549, 10955555, 48307745, 125600137, 299508019, 628000685, 1497540095, 3893604247, 19468021235]

約数ペア:

[(1, 19468021235), (5, 3893604247), (13, 1497540095), (31, 628000685), (65, 299508019), (155, 125600137), (403, 48307745), (1777, 10955555), (2015, 9661549), (5437, 3580655), (8885, 2191111), (23101, 842735), (27185, 716131), (55087, 353405), (70681, 275435), (115505, 168547)]