18903801

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1483}}^1$

素因数の和:2100

約数の個数: 16

約数和(自身を含む): 28872704

約数和(自身を除く): 9968903

約数列:

[1, 3, 7, 21, 607, 1483, 1821, 4249, 4449, 10381, 12747, 31143, 900181, 2700543, 6301267, 18903801]

約数ペア:

[(1, 18903801), (3, 6301267), (7, 2700543), (21, 900181), (607, 31143), (1483, 12747), (1821, 10381), (4249, 4449)]