19982135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 24959232

約数和(自身を除く): 4977097

約数列:

[1, 5, 31, 137, 155, 685, 941, 4247, 4705, 21235, 29171, 128917, 145855, 644585, 3996427, 19982135]

約数ペア:

[(1, 19982135), (5, 3996427), (31, 644585), (137, 145855), (155, 128917), (685, 29171), (941, 21235), (4247, 4705)]