19772595

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 34398000

約数和(自身を除く): 14625405

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1259, 1745, 3141, 3777, 5235, 6295, 11331, 15705, 18885, 56655, 439391, 1318173, 2196955, 3954519, 6590865, 19772595]

約数ペア:

[(1, 19772595), (3, 6590865), (5, 3954519), (9, 2196955), (15, 1318173), (45, 439391), (349, 56655), (1047, 18885), (1259, 15705), (1745, 11331), (3141, 6295), (3777, 5235)]