1818539710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 3671360640

約数和(自身を除く): 1852820930

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 79, 106, 130, 158, 169, 257, 265, 338, 395, 514, 530, 689, 790, 845, 1027, 1285, 1378, 1690, 2054, 2570, 3341, 3445, 4187, 5135, 6682, 6890, 8374, 8957, 10270, 13351, 13621, 16705, 17914, 20303, 20935, 26702, 27242, 33410, 40606, 41870, 43433, 44785, 54431, 66755, 68105, 86866, 89570, 101515, 108862, 133510, 136210, 177073, 203030, 217165, 263939, 272155, 354146, 434330, 527878, 544310, 707603, 885365, 1076059, 1319695, 1415206, 1770730, 2152118, 2301949, 2639390, 3431207, 3538015, 4603898, 5380295, 6862414, 7076030, 10760590, 11509745, 13988767, 17156035, 23019490, 27977534, 34312070, 69943835, 139887670, 181853971, 363707942, 909269855, 1818539710]

約数ペア:

[(1, 1818539710), (2, 909269855), (5, 363707942), (10, 181853971), (13, 139887670), (26, 69943835), (53, 34312070), (65, 27977534), (79, 23019490), (106, 17156035), (130, 13988767), (158, 11509745), (169, 10760590), (257, 7076030), (265, 6862414), (338, 5380295), (395, 4603898), (514, 3538015), (530, 3431207), (689, 2639390), (790, 2301949), (845, 2152118), (1027, 1770730), (1285, 1415206), (1378, 1319695), (1690, 1076059), (2054, 885365), (2570, 707603), (3341, 544310), (3445, 527878), (4187, 434330), (5135, 354146), (6682, 272155), (6890, 263939), (8374, 217165), (8957, 203030), (10270, 177073), (13351, 136210), (13621, 133510), (16705, 108862), (17914, 101515), (20303, 89570), (20935, 86866), (26702, 68105), (27242, 66755), (33410, 54431), (40606, 44785), (41870, 43433)]