18416384

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 43169280

約数和(自身を除く): 24752896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 239, 256, 301, 344, 448, 478, 602, 688, 896, 956, 1204, 1376, 1673, 1792, 1912, 2408, 2752, 3346, 3824, 4816, 5504, 6692, 7648, 9632, 10277, 11008, 13384, 15296, 19264, 20554, 26768, 30592, 38528, 41108, 53536, 61184, 71939, 77056, 82216, 107072, 143878, 164432, 214144, 287756, 328864, 428288, 575512, 657728, 1151024, 1315456, 2302048, 2630912, 4604096, 9208192, 18416384]

約数ペア:

[(1, 18416384), (2, 9208192), (4, 4604096), (7, 2630912), (8, 2302048), (14, 1315456), (16, 1151024), (28, 657728), (32, 575512), (43, 428288), (56, 328864), (64, 287756), (86, 214144), (112, 164432), (128, 143878), (172, 107072), (224, 82216), (239, 77056), (256, 71939), (301, 61184), (344, 53536), (448, 41108), (478, 38528), (602, 30592), (688, 26768), (896, 20554), (956, 19264), (1204, 15296), (1376, 13384), (1673, 11008), (1792, 10277), (1912, 9632), (2408, 7648), (2752, 6692), (3346, 5504), (3824, 4816)]