19813160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29137}}^1$

素因数の和:29165

約数の個数: 32

約数和(自身を含む): 47203560

約数和(自身を除く): 27390400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29137, 58274, 116548, 145685, 233096, 291370, 495329, 582740, 990658, 1165480, 1981316, 2476645, 3962632, 4953290, 9906580, 19813160]

約数ペア:

[(1, 19813160), (2, 9906580), (4, 4953290), (5, 3962632), (8, 2476645), (10, 1981316), (17, 1165480), (20, 990658), (34, 582740), (40, 495329), (68, 291370), (85, 233096), (136, 145685), (170, 116548), (340, 58274), (680, 29137)]