1991504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6578

約数の個数: 20

約数和(自身を含む): 4062240

約数和(自身を除く): 2070736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6551, 13102, 26204, 52408, 104816, 124469, 248938, 497876, 995752, 1991504]

約数ペア:

[(1, 1991504), (2, 995752), (4, 497876), (8, 248938), (16, 124469), (19, 104816), (38, 52408), (76, 26204), (152, 13102), (304, 6551)]