19721164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6329}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 37220400

約数和(自身を除く): 17499236

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6329, 12658, 25316, 120251, 240502, 259489, 481004, 518978, 1037956, 4930291, 9860582, 19721164]

約数ペア:

[(1, 19721164), (2, 9860582), (4, 4930291), (19, 1037956), (38, 518978), (41, 481004), (76, 259489), (82, 240502), (164, 120251), (779, 25316), (1558, 12658), (3116, 6329)]