19998201

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7069}}^1$

素因数の和:7136

約数の個数: 16

約数和(自身を含む): 28506240

約数和(自身を除く): 8508039

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7069, 21207, 162587, 289829, 487761, 869487, 6666067, 19998201]

約数ペア:

[(1, 19998201), (3, 6666067), (23, 869487), (41, 487761), (69, 289829), (123, 162587), (943, 21207), (2829, 7069)]