18979499

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12973}}^1$

素因数の和:13010

約数の個数: 16

約数和(自身を含む): 24910080

約数和(自身を除く): 5930581

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12973, 90811, 142703, 246487, 998921, 1725409, 2711357, 18979499]

約数ペア:

[(1, 18979499), (7, 2711357), (11, 1725409), (19, 998921), (77, 246487), (133, 142703), (209, 90811), (1463, 12973)]