218637712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{719203}}^1$

素因数の和:719230

約数の個数: 20

約数和(自身を含む): 445906480

約数和(自身を除く): 227268768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 719203, 1438406, 2876812, 5753624, 11507248, 13664857, 27329714, 54659428, 109318856, 218637712]

約数ペア:

[(1, 218637712), (2, 109318856), (4, 54659428), (8, 27329714), (16, 13664857), (19, 11507248), (38, 5753624), (76, 2876812), (152, 1438406), (304, 719203)]