118781008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{390727}}^1$

素因数の和:390754

約数の個数: 20

約数和(自身を含む): 242251360

約数和(自身を除く): 123470352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 390727, 781454, 1562908, 3125816, 6251632, 7423813, 14847626, 29695252, 59390504, 118781008]

約数ペア:

[(1, 118781008), (2, 59390504), (4, 29695252), (8, 14847626), (16, 7423813), (19, 6251632), (38, 3125816), (76, 1562908), (152, 781454), (304, 390727)]