19851935

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 24748032

約数和(自身を除く): 4896097

約数列:

[1, 5, 31, 155, 211, 607, 1055, 3035, 6541, 18817, 32705, 94085, 128077, 640385, 3970387, 19851935]

約数ペア:

[(1, 19851935), (5, 3970387), (31, 640385), (155, 128077), (211, 94085), (607, 32705), (1055, 18817), (3035, 6541)]