19088901

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 32381440

約数和(自身を除く): 13292539

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 277, 279, 403, 589, 741, 831, 1209, 1767, 2223, 2493, 3601, 3627, 5263, 5301, 7657, 8587, 10803, 15789, 22971, 25761, 32409, 47367, 68419, 68913, 77283, 111631, 163153, 205257, 334893, 489459, 615771, 1004679, 1468377, 2120989, 6362967, 19088901]

約数ペア:

[(1, 19088901), (3, 6362967), (9, 2120989), (13, 1468377), (19, 1004679), (31, 615771), (39, 489459), (57, 334893), (93, 205257), (117, 163153), (171, 111631), (247, 77283), (277, 68913), (279, 68419), (403, 47367), (589, 32409), (741, 25761), (831, 22971), (1209, 15789), (1767, 10803), (2223, 8587), (2493, 7657), (3601, 5301), (3627, 5263)]