19204221

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5581}}^1$

素因数の和:5652

約数の個数: 16

約数和(自身を含む): 27150848

約数和(自身を除く): 7946627

約数列:

[1, 3, 31, 37, 93, 111, 1147, 3441, 5581, 16743, 173011, 206497, 519033, 619491, 6401407, 19204221]

約数ペア:

[(1, 19204221), (3, 6401407), (31, 619491), (37, 519033), (93, 206497), (111, 173011), (1147, 16743), (3441, 5581)]