18804528

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 59520000

約数和(自身を除く): 40715472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 36, 38, 48, 54, 57, 58, 72, 76, 79, 87, 108, 114, 116, 144, 152, 158, 171, 174, 216, 228, 232, 237, 261, 304, 316, 342, 348, 432, 456, 464, 474, 513, 522, 551, 632, 684, 696, 711, 783, 912, 948, 1026, 1044, 1102, 1264, 1368, 1392, 1422, 1501, 1566, 1653, 1896, 2052, 2088, 2133, 2204, 2291, 2736, 2844, 3002, 3132, 3306, 3792, 4104, 4176, 4266, 4408, 4503, 4582, 4959, 5688, 6004, 6264, 6612, 6873, 8208, 8532, 8816, 9006, 9164, 9918, 11376, 12008, 12528, 13224, 13509, 13746, 14877, 17064, 18012, 18328, 19836, 20619, 24016, 26448, 27018, 27492, 29754, 34128, 36024, 36656, 39672, 40527, 41238, 43529, 54036, 54984, 59508, 61857, 72048, 79344, 81054, 82476, 87058, 108072, 109968, 119016, 123714, 130587, 162108, 164952, 174116, 216144, 238032, 247428, 261174, 324216, 329904, 348232, 391761, 494856, 522348, 648432, 696464, 783522, 989712, 1044696, 1175283, 1567044, 2089392, 2350566, 3134088, 4701132, 6268176, 9402264, 18804528]

約数ペア:

[(1, 18804528), (2, 9402264), (3, 6268176), (4, 4701132), (6, 3134088), (8, 2350566), (9, 2089392), (12, 1567044), (16, 1175283), (18, 1044696), (19, 989712), (24, 783522), (27, 696464), (29, 648432), (36, 522348), (38, 494856), (48, 391761), (54, 348232), (57, 329904), (58, 324216), (72, 261174), (76, 247428), (79, 238032), (87, 216144), (108, 174116), (114, 164952), (116, 162108), (144, 130587), (152, 123714), (158, 119016), (171, 109968), (174, 108072), (216, 87058), (228, 82476), (232, 81054), (237, 79344), (261, 72048), (304, 61857), (316, 59508), (342, 54984), (348, 54036), (432, 43529), (456, 41238), (464, 40527), (474, 39672), (513, 36656), (522, 36024), (551, 34128), (632, 29754), (684, 27492), (696, 27018), (711, 26448), (783, 24016), (912, 20619), (948, 19836), (1026, 18328), (1044, 18012), (1102, 17064), (1264, 14877), (1368, 13746), (1392, 13509), (1422, 13224), (1501, 12528), (1566, 12008), (1653, 11376), (1896, 9918), (2052, 9164), (2088, 9006), (2133, 8816), (2204, 8532), (2291, 8208), (2736, 6873), (2844, 6612), (3002, 6264), (3132, 6004), (3306, 5688), (3792, 4959), (4104, 4582), (4176, 4503), (4266, 4408)]