19424421

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 11420379

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 419, 459, 909, 1257, 1717, 2727, 3771, 5151, 7123, 11313, 15453, 21369, 42319, 46359, 64107, 126957, 192321, 380871, 719423, 1142613, 2158269, 6474807, 19424421]

約数ペア:

[(1, 19424421), (3, 6474807), (9, 2158269), (17, 1142613), (27, 719423), (51, 380871), (101, 192321), (153, 126957), (303, 64107), (419, 46359), (459, 42319), (909, 21369), (1257, 15453), (1717, 11313), (2727, 7123), (3771, 5151)]