19530780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{325513}}^1$

素因数の和:325525

約数の個数: 24

約数和(自身を含む): 54686352

約数和(自身を除く): 35155572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 325513, 651026, 976539, 1302052, 1627565, 1953078, 3255130, 3906156, 4882695, 6510260, 9765390, 19530780]

約数ペア:

[(1, 19530780), (2, 9765390), (3, 6510260), (4, 4882695), (5, 3906156), (6, 3255130), (10, 1953078), (12, 1627565), (15, 1302052), (20, 976539), (30, 651026), (60, 325513)]