19207993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 23296000

約数和(自身を除く): 4088007

約数列:

[1, 7, 19, 133, 139, 973, 1039, 2641, 7273, 18487, 19741, 138187, 144421, 1010947, 2743999, 19207993]

約数ペア:

[(1, 19207993), (7, 2743999), (19, 1010947), (133, 144421), (139, 138187), (973, 19741), (1039, 18487), (2641, 7273)]