18870340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55501}}^1$

素因数の和:55527

約数の個数: 24

約数和(自身を含む): 41959512

約数和(自身を除く): 23089172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55501, 111002, 222004, 277505, 555010, 943517, 1110020, 1887034, 3774068, 4717585, 9435170, 18870340]

約数ペア:

[(1, 18870340), (2, 9435170), (4, 4717585), (5, 3774068), (10, 1887034), (17, 1110020), (20, 943517), (34, 555010), (68, 277505), (85, 222004), (170, 111002), (340, 55501)]