19613165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27431}}^1$

素因数の和:27460

約数の個数: 16

約数和(自身を含む): 27651456

約数和(自身を除く): 8038291

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27431, 137155, 301741, 356603, 1508705, 1783015, 3922633, 19613165]

約数ペア:

[(1, 19613165), (5, 3922633), (11, 1783015), (13, 1508705), (55, 356603), (65, 301741), (143, 137155), (715, 27431)]