19872573

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1559}}^1$

素因数の和:2176

約数の個数: 16

約数和(自身を含む): 30351360

約数和(自身を除く): 10478787

約数列:

[1, 3, 7, 21, 607, 1559, 1821, 4249, 4677, 10913, 12747, 32739, 946313, 2838939, 6624191, 19872573]

約数ペア:

[(1, 19872573), (3, 6624191), (7, 2838939), (21, 946313), (607, 32739), (1559, 12747), (1821, 10913), (4249, 4677)]