1239645424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4077781}}^1$

素因数の和:4077808

約数の個数: 20

約数和(自身を含む): 2528224840

約数和(自身を除く): 1288579416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4077781, 8155562, 16311124, 32622248, 65244496, 77477839, 154955678, 309911356, 619822712, 1239645424]

約数ペア:

[(1, 1239645424), (2, 619822712), (4, 309911356), (8, 154955678), (16, 77477839), (19, 65244496), (38, 32622248), (76, 16311124), (152, 8155562), (304, 4077781)]