19973807

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1901}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 24345600

約数和(自身を除く): 4371793

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1901, 10507, 13307, 36119, 150179, 252833, 1051253, 2853401, 19973807]

約数ペア:

[(1, 19973807), (7, 2853401), (19, 1051253), (79, 252833), (133, 150179), (553, 36119), (1501, 13307), (1901, 10507)]