19549845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 39491712

約数和(自身を除く): 19941867

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1171, 1855, 2385, 3339, 3513, 5565, 5855, 8197, 10539, 16695, 17565, 24591, 40985, 52695, 62063, 73773, 122955, 186189, 310315, 368865, 434441, 558567, 930945, 1303323, 2172205, 2792835, 3909969, 6516615, 19549845]

約数ペア:

[(1, 19549845), (3, 6516615), (5, 3909969), (7, 2792835), (9, 2172205), (15, 1303323), (21, 930945), (35, 558567), (45, 434441), (53, 368865), (63, 310315), (105, 186189), (159, 122955), (265, 73773), (315, 62063), (371, 52695), (477, 40985), (795, 24591), (1113, 17565), (1171, 16695), (1855, 10539), (2385, 8197), (3339, 5855), (3513, 5565)]