19992364

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9781}}^1$

素因数の和:9865

約数の個数: 24

約数和(自身を含む): 40536608

約数和(自身を除く): 20544244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9781, 19562, 39124, 68467, 136934, 273868, 714013, 1428026, 2856052, 4998091, 9996182, 19992364]

約数ペア:

[(1, 19992364), (2, 9996182), (4, 4998091), (7, 2856052), (14, 1428026), (28, 714013), (73, 273868), (146, 136934), (292, 68467), (511, 39124), (1022, 19562), (2044, 9781)]