19171760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12613}}^1$

素因数の和:12645

約数の個数: 40

約数和(自身を含む): 46924080

約数和(自身を除く): 27752320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12613, 25226, 50452, 63065, 100904, 126130, 201808, 239647, 252260, 479294, 504520, 958588, 1009040, 1198235, 1917176, 2396470, 3834352, 4792940, 9585880, 19171760]

約数ペア:

[(1, 19171760), (2, 9585880), (4, 4792940), (5, 3834352), (8, 2396470), (10, 1917176), (16, 1198235), (19, 1009040), (20, 958588), (38, 504520), (40, 479294), (76, 252260), (80, 239647), (95, 201808), (152, 126130), (190, 100904), (304, 63065), (380, 50452), (760, 25226), (1520, 12613)]