18804352

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 44259840

約数和(自身を除く): 25455488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 677, 868, 896, 992, 1354, 1736, 1984, 2708, 3472, 3968, 4739, 5416, 6944, 9478, 10832, 13888, 18956, 20987, 21664, 27776, 37912, 41974, 43328, 75824, 83948, 86656, 146909, 151648, 167896, 293818, 303296, 335792, 587636, 606592, 671584, 1175272, 1343168, 2350544, 2686336, 4701088, 9402176, 18804352]

約数ペア:

[(1, 18804352), (2, 9402176), (4, 4701088), (7, 2686336), (8, 2350544), (14, 1343168), (16, 1175272), (28, 671584), (31, 606592), (32, 587636), (56, 335792), (62, 303296), (64, 293818), (112, 167896), (124, 151648), (128, 146909), (217, 86656), (224, 83948), (248, 75824), (434, 43328), (448, 41974), (496, 37912), (677, 27776), (868, 21664), (896, 20987), (992, 18956), (1354, 13888), (1736, 10832), (1984, 9478), (2708, 6944), (3472, 5416), (3968, 4739)]