18837870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 30202770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 859, 1290, 1462, 1718, 2193, 2577, 3655, 4295, 4386, 5154, 7310, 8590, 10965, 12885, 14603, 21930, 25770, 29206, 36937, 43809, 73015, 73874, 87618, 110811, 146030, 184685, 219045, 221622, 369370, 438090, 554055, 627929, 1108110, 1255858, 1883787, 3139645, 3767574, 6279290, 9418935, 18837870]

約数ペア:

[(1, 18837870), (2, 9418935), (3, 6279290), (5, 3767574), (6, 3139645), (10, 1883787), (15, 1255858), (17, 1108110), (30, 627929), (34, 554055), (43, 438090), (51, 369370), (85, 221622), (86, 219045), (102, 184685), (129, 146030), (170, 110811), (215, 87618), (255, 73874), (258, 73015), (430, 43809), (510, 36937), (645, 29206), (731, 25770), (859, 21930), (1290, 14603), (1462, 12885), (1718, 10965), (2193, 8590), (2577, 7310), (3655, 5154), (4295, 4386)]