19589553

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10823247

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 359, 387, 423, 1077, 1161, 1269, 2021, 3231, 6063, 9693, 15437, 16873, 18189, 46311, 50619, 54567, 138933, 151857, 416799, 455571, 725539, 2176617, 6529851, 19589553]

約数ペア:

[(1, 19589553), (3, 6529851), (9, 2176617), (27, 725539), (43, 455571), (47, 416799), (129, 151857), (141, 138933), (359, 54567), (387, 50619), (423, 46311), (1077, 18189), (1161, 16873), (1269, 15437), (2021, 9693), (3231, 6063)]