18640112

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{15959}}^1$

素因数の和:16040

約数の個数: 20

約数和(自身を含む): 36612240

約数和(自身を除く): 17972128

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 15959, 31918, 63836, 127672, 255344, 1165007, 2330014, 4660028, 9320056, 18640112]

約数ペア:

[(1, 18640112), (2, 9320056), (4, 4660028), (8, 2330014), (16, 1165007), (73, 255344), (146, 127672), (292, 63836), (584, 31918), (1168, 15959)]