19928.00000000

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{10391}}^1$

素因数の和:10556

約数の個数: 16

約数和(自身を含む): 75820032

約数和(自身を除く): 24041679

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4983, 10391, 31173, 114301, 342903, 1569041, 4707123, 17259451, 51778353]

約数ペア:

[(1, 51778353), (3, 17259451), (11, 4707123), (33, 1569041), (151, 342903), (453, 114301), (1661, 31173), (4983, 10391)]