19261323

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 30671784

約数和(自身を除く): 11410461

約数列:

[1, 3, 9, 17, 31, 51, 93, 131, 153, 279, 393, 527, 961, 1179, 1581, 2227, 2883, 4061, 4743, 6681, 8649, 12183, 16337, 20043, 36549, 49011, 69037, 125891, 147033, 207111, 377673, 621333, 1133019, 2140147, 6420441, 19261323]

約数ペア:

[(1, 19261323), (3, 6420441), (9, 2140147), (17, 1133019), (31, 621333), (51, 377673), (93, 207111), (131, 147033), (153, 125891), (279, 69037), (393, 49011), (527, 36549), (961, 20043), (1179, 16337), (1581, 12183), (2227, 8649), (2883, 6681), (4061, 4743)]