18455030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20736010

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 139, 142, 170, 187, 278, 355, 374, 695, 710, 781, 935, 1207, 1390, 1529, 1562, 1870, 2363, 2414, 3058, 3905, 4726, 6035, 7645, 7810, 9869, 11815, 12070, 13277, 15290, 19738, 23630, 25993, 26554, 49345, 51986, 66385, 98690, 108559, 129965, 132770, 167773, 217118, 259930, 335546, 542795, 838865, 1085590, 1677730, 1845503, 3691006, 9227515, 18455030]

約数ペア:

[(1, 18455030), (2, 9227515), (5, 3691006), (10, 1845503), (11, 1677730), (17, 1085590), (22, 838865), (34, 542795), (55, 335546), (71, 259930), (85, 217118), (110, 167773), (139, 132770), (142, 129965), (170, 108559), (187, 98690), (278, 66385), (355, 51986), (374, 49345), (695, 26554), (710, 25993), (781, 23630), (935, 19738), (1207, 15290), (1390, 13277), (1529, 12070), (1562, 11815), (1870, 9869), (2363, 7810), (2414, 7645), (3058, 6035), (3905, 4726)]