187721748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2161}}^1$

素因数の和:2317

約数の個数: 72

約数和(自身を含む): 503659520

約数和(自身を除く): 315937772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 381, 508, 684, 762, 1143, 1524, 2161, 2286, 2413, 4322, 4572, 4826, 6483, 7239, 8644, 9652, 12966, 14478, 19449, 21717, 25932, 28956, 38898, 41059, 43434, 77796, 82118, 86868, 123177, 164236, 246354, 274447, 369531, 492708, 548894, 739062, 823341, 1097788, 1478124, 1646682, 2470023, 3293364, 4940046, 5214493, 9880092, 10428986, 15643479, 20857972, 31286958, 46930437, 62573916, 93860874, 187721748]

約数ペア:

[(1, 187721748), (2, 93860874), (3, 62573916), (4, 46930437), (6, 31286958), (9, 20857972), (12, 15643479), (18, 10428986), (19, 9880092), (36, 5214493), (38, 4940046), (57, 3293364), (76, 2470023), (114, 1646682), (127, 1478124), (171, 1097788), (228, 823341), (254, 739062), (342, 548894), (381, 492708), (508, 369531), (684, 274447), (762, 246354), (1143, 164236), (1524, 123177), (2161, 86868), (2286, 82118), (2413, 77796), (4322, 43434), (4572, 41059), (4826, 38898), (6483, 28956), (7239, 25932), (8644, 21717), (9652, 19449), (12966, 14478)]