18788230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 38413440

約数和(自身を除く): 19625210

約数列:

[1, 2, 5, 10, 17, 29, 34, 37, 58, 74, 85, 103, 145, 170, 185, 206, 290, 370, 493, 515, 629, 986, 1030, 1073, 1258, 1751, 2146, 2465, 2987, 3145, 3502, 3811, 4930, 5365, 5974, 6290, 7622, 8755, 10730, 14935, 17510, 18241, 19055, 29870, 36482, 38110, 50779, 64787, 91205, 101558, 110519, 129574, 182410, 221038, 253895, 323935, 507790, 552595, 647870, 1105190, 1878823, 3757646, 9394115, 18788230]

約数ペア:

[(1, 18788230), (2, 9394115), (5, 3757646), (10, 1878823), (17, 1105190), (29, 647870), (34, 552595), (37, 507790), (58, 323935), (74, 253895), (85, 221038), (103, 182410), (145, 129574), (170, 110519), (185, 101558), (206, 91205), (290, 64787), (370, 50779), (493, 38110), (515, 36482), (629, 29870), (986, 19055), (1030, 18241), (1073, 17510), (1258, 14935), (1751, 10730), (2146, 8755), (2465, 7622), (2987, 6290), (3145, 5974), (3502, 5365), (3811, 4930)]