19497008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52981}}^1$

素因数の和:53012

約数の個数: 20

約数和(自身を含む): 39418608

約数和(自身を除く): 19921600

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52981, 105962, 211924, 423848, 847696, 1218563, 2437126, 4874252, 9748504, 19497008]

約数ペア:

[(1, 19497008), (2, 9748504), (4, 4874252), (8, 2437126), (16, 1218563), (23, 847696), (46, 423848), (92, 211924), (184, 105962), (368, 52981)]