16705180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43961}}^1$

素因数の和:43989

約数の個数: 24

約数和(自身を含む): 36928080

約数和(自身を除く): 20222900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 43961, 87922, 175844, 219805, 439610, 835259, 879220, 1670518, 3341036, 4176295, 8352590, 16705180]

約数ペア:

[(1, 16705180), (2, 8352590), (4, 4176295), (5, 3341036), (10, 1670518), (19, 879220), (20, 835259), (38, 439610), (76, 219805), (95, 175844), (190, 87922), (380, 43961)]