20181876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 38147724

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 619, 627, 741, 836, 858, 988, 1238, 1254, 1482, 1716, 1857, 2476, 2508, 2717, 2964, 3714, 5434, 6809, 7428, 8047, 8151, 10868, 11761, 13618, 16094, 16302, 20427, 23522, 24141, 27236, 32188, 32604, 35283, 40854, 47044, 48282, 70566, 81708, 88517, 96564, 129371, 141132, 152893, 177034, 258742, 265551, 305786, 354068, 388113, 458679, 517484, 531102, 611572, 776226, 917358, 1062204, 1552452, 1681823, 1834716, 3363646, 5045469, 6727292, 10090938, 20181876]

約数ペア:

[(1, 20181876), (2, 10090938), (3, 6727292), (4, 5045469), (6, 3363646), (11, 1834716), (12, 1681823), (13, 1552452), (19, 1062204), (22, 917358), (26, 776226), (33, 611572), (38, 531102), (39, 517484), (44, 458679), (52, 388113), (57, 354068), (66, 305786), (76, 265551), (78, 258742), (114, 177034), (132, 152893), (143, 141132), (156, 129371), (209, 96564), (228, 88517), (247, 81708), (286, 70566), (418, 48282), (429, 47044), (494, 40854), (572, 35283), (619, 32604), (627, 32188), (741, 27236), (836, 24141), (858, 23522), (988, 20427), (1238, 16302), (1254, 16094), (1482, 13618), (1716, 11761), (1857, 10868), (2476, 8151), (2508, 8047), (2717, 7428), (2964, 6809), (3714, 5434)]