19160841

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{181}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 29778112

約数和(自身を除く): 10617271

約数列:

[1, 3, 7, 21, 71, 181, 213, 497, 543, 1267, 1491, 3801, 5041, 12851, 15123, 35287, 38553, 89957, 105861, 269871, 912421, 2737263, 6386947, 19160841]

約数ペア:

[(1, 19160841), (3, 6386947), (7, 2737263), (21, 912421), (71, 269871), (181, 105861), (213, 89957), (497, 38553), (543, 35287), (1267, 15123), (1491, 12851), (3801, 5041)]