18853744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 46996992

約数和(自身を除く): 28143248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 563, 598, 644, 728, 1126, 1196, 1288, 1456, 2093, 2252, 2392, 2576, 3941, 4186, 4504, 4784, 7319, 7882, 8372, 9008, 12949, 14638, 15764, 16744, 25898, 29276, 31528, 33488, 51233, 51796, 58552, 63056, 90643, 102466, 103592, 117104, 168337, 181286, 204932, 207184, 336674, 362572, 409864, 673348, 725144, 819728, 1178359, 1346696, 1450288, 2356718, 2693392, 4713436, 9426872, 18853744]

約数ペア:

[(1, 18853744), (2, 9426872), (4, 4713436), (7, 2693392), (8, 2356718), (13, 1450288), (14, 1346696), (16, 1178359), (23, 819728), (26, 725144), (28, 673348), (46, 409864), (52, 362572), (56, 336674), (91, 207184), (92, 204932), (104, 181286), (112, 168337), (161, 117104), (182, 103592), (184, 102466), (208, 90643), (299, 63056), (322, 58552), (364, 51796), (368, 51233), (563, 33488), (598, 31528), (644, 29276), (728, 25898), (1126, 16744), (1196, 15764), (1288, 14638), (1456, 12949), (2093, 9008), (2252, 8372), (2392, 7882), (2576, 7319), (3941, 4784), (4186, 4504)]