19725066855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{21193}}^1$

素因数の和:21297

約数の個数: 96

約数和(自身を含む): 38696513856

約数和(自身を除く): 18971447001

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 43, 45, 65, 111, 117, 129, 185, 195, 215, 333, 387, 481, 555, 559, 585, 645, 1443, 1591, 1665, 1677, 1935, 2405, 2795, 4329, 4773, 5031, 7215, 7955, 8385, 14319, 20683, 21193, 21645, 23865, 25155, 62049, 63579, 71595, 103415, 105965, 186147, 190737, 275509, 310245, 317895, 784141, 826527, 911299, 930735, 953685, 1377545, 2352423, 2479581, 2733897, 3920705, 4132635, 4556495, 7057269, 8201691, 10193833, 11762115, 11846887, 12397905, 13669485, 30581499, 33718063, 35286345, 35540661, 41008455, 50969165, 59234435, 91744497, 101154189, 106621983, 152907495, 168590315, 177703305, 303462567, 438334819, 458722485, 505770945, 533109915, 1315004457, 1517312835, 2191674095, 3945013371, 6575022285, 19725066855]

約数ペア:

[(1, 19725066855), (3, 6575022285), (5, 3945013371), (9, 2191674095), (13, 1517312835), (15, 1315004457), (37, 533109915), (39, 505770945), (43, 458722485), (45, 438334819), (65, 303462567), (111, 177703305), (117, 168590315), (129, 152907495), (185, 106621983), (195, 101154189), (215, 91744497), (333, 59234435), (387, 50969165), (481, 41008455), (555, 35540661), (559, 35286345), (585, 33718063), (645, 30581499), (1443, 13669485), (1591, 12397905), (1665, 11846887), (1677, 11762115), (1935, 10193833), (2405, 8201691), (2795, 7057269), (4329, 4556495), (4773, 4132635), (5031, 3920705), (7215, 2733897), (7955, 2479581), (8385, 2352423), (14319, 1377545), (20683, 953685), (21193, 930735), (21645, 911299), (23865, 826527), (25155, 784141), (62049, 317895), (63579, 310245), (71595, 275509), (103415, 190737), (105965, 186147)]