18982912

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 25046528

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 64, 92, 104, 124, 128, 184, 208, 248, 256, 299, 368, 403, 416, 496, 512, 598, 713, 736, 806, 832, 992, 1024, 1196, 1426, 1472, 1612, 1664, 1984, 2048, 2392, 2852, 2944, 3224, 3328, 3968, 4784, 5704, 5888, 6448, 6656, 7936, 9269, 9568, 11408, 11776, 12896, 13312, 15872, 18538, 19136, 22816, 23552, 25792, 26624, 31744, 37076, 38272, 45632, 47104, 51584, 63488, 74152, 76544, 91264, 103168, 148304, 153088, 182528, 206336, 296608, 306176, 365056, 412672, 593216, 612352, 730112, 825344, 1186432, 1460224, 2372864, 4745728, 9491456, 18982912]

約数ペア:

[(1, 18982912), (2, 9491456), (4, 4745728), (8, 2372864), (13, 1460224), (16, 1186432), (23, 825344), (26, 730112), (31, 612352), (32, 593216), (46, 412672), (52, 365056), (62, 306176), (64, 296608), (92, 206336), (104, 182528), (124, 153088), (128, 148304), (184, 103168), (208, 91264), (248, 76544), (256, 74152), (299, 63488), (368, 51584), (403, 47104), (416, 45632), (496, 38272), (512, 37076), (598, 31744), (713, 26624), (736, 25792), (806, 23552), (832, 22816), (992, 19136), (1024, 18538), (1196, 15872), (1426, 13312), (1472, 12896), (1612, 11776), (1664, 11408), (1984, 9568), (2048, 9269), (2392, 7936), (2852, 6656), (2944, 6448), (3224, 5888), (3328, 5704), (3968, 4784)]