19318206

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139987}}^1$

素因数の和:140015

約数の個数: 16

約数和(自身を含む): 40316544

約数和(自身を除く): 20998338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139987, 279974, 419961, 839922, 3219701, 6439402, 9659103, 19318206]

約数ペア:

[(1, 19318206), (2, 9659103), (3, 6439402), (6, 3219701), (23, 839922), (46, 419961), (69, 279974), (138, 139987)]