18747105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 32600064

約数和(自身を除く): 13852959

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 757, 1651, 1905, 2271, 3785, 4953, 8255, 9841, 11355, 24765, 29523, 49205, 96139, 147615, 288417, 480695, 1249807, 1442085, 3749421, 6249035, 18747105]

約数ペア:

[(1, 18747105), (3, 6249035), (5, 3749421), (13, 1442085), (15, 1249807), (39, 480695), (65, 288417), (127, 147615), (195, 96139), (381, 49205), (635, 29523), (757, 24765), (1651, 11355), (1905, 9841), (2271, 8255), (3785, 4953)]