19239591

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30394368

約数和(自身を除く): 11154777

約数列:

[1, 3, 7, 21, 47, 101, 141, 193, 303, 329, 579, 707, 987, 1351, 2121, 4053, 4747, 9071, 14241, 19493, 27213, 33229, 58479, 63497, 99687, 136451, 190491, 409353, 916171, 2748513, 6413197, 19239591]

約数ペア:

[(1, 19239591), (3, 6413197), (7, 2748513), (21, 916171), (47, 409353), (101, 190491), (141, 136451), (193, 99687), (303, 63497), (329, 58479), (579, 33229), (707, 27213), (987, 19493), (1351, 14241), (2121, 9071), (4053, 4747)]