18637014728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{55057}}^1$

素因数の和:55230

約数の個数: 64

約数和(自身を含む): 39245342400

約数和(自身を除く): 20608327672

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 131, 136, 152, 262, 323, 524, 646, 1048, 1292, 2227, 2489, 2584, 4454, 4978, 8908, 9956, 17816, 19912, 42313, 55057, 84626, 110114, 169252, 220228, 338504, 440456, 935969, 1046083, 1871938, 2092166, 3743876, 4184332, 7212467, 7487752, 8368664, 14424934, 17783411, 28849868, 35566822, 57699736, 71133644, 122611939, 137036873, 142267288, 245223878, 274073746, 490447756, 548147492, 980895512, 1096294984, 2329626841, 4659253682, 9318507364, 18637014728]

約数ペア:

[(1, 18637014728), (2, 9318507364), (4, 4659253682), (8, 2329626841), (17, 1096294984), (19, 980895512), (34, 548147492), (38, 490447756), (68, 274073746), (76, 245223878), (131, 142267288), (136, 137036873), (152, 122611939), (262, 71133644), (323, 57699736), (524, 35566822), (646, 28849868), (1048, 17783411), (1292, 14424934), (2227, 8368664), (2489, 7487752), (2584, 7212467), (4454, 4184332), (4978, 3743876), (8908, 2092166), (9956, 1871938), (17816, 1046083), (19912, 935969), (42313, 440456), (55057, 338504), (84626, 220228), (110114, 169252)]