18887170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 36224496

約数和(自身を除く): 17337326

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 241, 461, 482, 922, 1205, 2305, 2410, 4097, 4610, 7837, 8194, 15674, 20485, 39185, 40970, 78370, 111101, 222202, 555505, 1111010, 1888717, 3777434, 9443585, 18887170]

約数ペア:

[(1, 18887170), (2, 9443585), (5, 3777434), (10, 1888717), (17, 1111010), (34, 555505), (85, 222202), (170, 111101), (241, 78370), (461, 40970), (482, 39185), (922, 20485), (1205, 15674), (2305, 8194), (2410, 7837), (4097, 4610)]