18429376

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 56

約数和(自身を含む): 43175936

約数和(自身を除く): 24746560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1327, 1736, 1984, 2654, 3472, 5308, 6944, 9289, 10616, 13888, 18578, 21232, 37156, 41137, 42464, 74312, 82274, 84928, 148624, 164548, 287959, 297248, 329096, 575918, 594496, 658192, 1151836, 1316384, 2303672, 2632768, 4607344, 9214688, 18429376]

約数ペア:

[(1, 18429376), (2, 9214688), (4, 4607344), (7, 2632768), (8, 2303672), (14, 1316384), (16, 1151836), (28, 658192), (31, 594496), (32, 575918), (56, 329096), (62, 297248), (64, 287959), (112, 164548), (124, 148624), (217, 84928), (224, 82274), (248, 74312), (434, 42464), (448, 41137), (496, 37156), (868, 21232), (992, 18578), (1327, 13888), (1736, 10616), (1984, 9289), (2654, 6944), (3472, 5308)]