18325888

素因数分解:

$2^7\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 42325920

約数和(自身を除く): 24000032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 181, 224, 226, 362, 448, 452, 724, 791, 896, 904, 1267, 1448, 1582, 1808, 2534, 2896, 3164, 3616, 5068, 5792, 6328, 7232, 10136, 11584, 12656, 14464, 20272, 20453, 23168, 25312, 40544, 40906, 50624, 81088, 81812, 101248, 143171, 162176, 163624, 286342, 327248, 572684, 654496, 1145368, 1308992, 2290736, 2617984, 4581472, 9162944, 18325888]

約数ペア:

[(1, 18325888), (2, 9162944), (4, 4581472), (7, 2617984), (8, 2290736), (14, 1308992), (16, 1145368), (28, 654496), (32, 572684), (56, 327248), (64, 286342), (112, 163624), (113, 162176), (128, 143171), (181, 101248), (224, 81812), (226, 81088), (362, 50624), (448, 40906), (452, 40544), (724, 25312), (791, 23168), (896, 20453), (904, 20272), (1267, 14464), (1448, 12656), (1582, 11584), (1808, 10136), (2534, 7232), (2896, 6328), (3164, 5792), (3616, 5068)]