18795159

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4937}}^1$

素因数の和:4996

約数の個数: 20

約数和(自身を含む): 28679904

約数和(自身を除く): 9884745

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4937, 14811, 44433, 133299, 232039, 399897, 696117, 2088351, 6265053, 18795159]

約数ペア:

[(1, 18795159), (3, 6265053), (9, 2088351), (27, 696117), (47, 399897), (81, 232039), (141, 133299), (423, 44433), (1269, 14811), (3807, 4937)]