19438778877

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2663}}^1$

素因数の和:2847

約数の個数: 96

約数和(自身を含む): 33586348032

約数和(自身を除く): 14147569155

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 127, 147, 161, 357, 381, 391, 483, 833, 889, 1127, 1173, 2159, 2499, 2663, 2667, 2737, 2921, 3381, 6223, 6477, 7989, 8211, 8763, 15113, 18641, 18669, 19159, 20447, 45271, 45339, 49657, 55923, 57477, 61249, 61341, 105791, 130487, 135813, 143129, 148971, 183747, 316897, 317373, 338201, 347599, 391461, 428743, 429387, 950691, 1014603, 1041233, 1042797, 1286229, 2218279, 2367407, 2433193, 3001201, 3123699, 5749417, 6654837, 7102221, 7288631, 7299579, 7778623, 9003603, 16571849, 17248251, 21865893, 23335869, 40245919, 49715547, 51020417, 54450361, 120737757, 132236591, 153061251, 163351083, 281721433, 381152527, 396709773, 845164299, 925656137, 1143457581, 2776968411, 6479592959, 19438778877]

約数ペア:

[(1, 19438778877), (3, 6479592959), (7, 2776968411), (17, 1143457581), (21, 925656137), (23, 845164299), (49, 396709773), (51, 381152527), (69, 281721433), (119, 163351083), (127, 153061251), (147, 132236591), (161, 120737757), (357, 54450361), (381, 51020417), (391, 49715547), (483, 40245919), (833, 23335869), (889, 21865893), (1127, 17248251), (1173, 16571849), (2159, 9003603), (2499, 7778623), (2663, 7299579), (2667, 7288631), (2737, 7102221), (2921, 6654837), (3381, 5749417), (6223, 3123699), (6477, 3001201), (7989, 2433193), (8211, 2367407), (8763, 2218279), (15113, 1286229), (18641, 1042797), (18669, 1041233), (19159, 1014603), (20447, 950691), (45271, 429387), (45339, 428743), (49657, 391461), (55923, 347599), (57477, 338201), (61249, 317373), (61341, 316897), (105791, 183747), (130487, 148971), (135813, 143129)]