19906300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10477}}^1$

素因数の和:10510

約数の個数: 36

約数和(自身を含む): 45474520

約数和(自身を除く): 25568220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10477, 20954, 41908, 52385, 104770, 199063, 209540, 261925, 398126, 523850, 796252, 995315, 1047700, 1990630, 3981260, 4976575, 9953150, 19906300]

約数ペア:

[(1, 19906300), (2, 9953150), (4, 4976575), (5, 3981260), (10, 1990630), (19, 1047700), (20, 995315), (25, 796252), (38, 523850), (50, 398126), (76, 261925), (95, 209540), (100, 199063), (190, 104770), (380, 52385), (475, 41908), (950, 20954), (1900, 10477)]