18873984

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2177

約数の個数: 64

約数和(自身を含む): 52338240

約数和(自身を除く): 33464256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2137, 2208, 2944, 4274, 4416, 6411, 8548, 8832, 12822, 17096, 25644, 34192, 49151, 51288, 68384, 98302, 102576, 136768, 147453, 196604, 205152, 273536, 294906, 393208, 410304, 589812, 786416, 820608, 1179624, 1572832, 2359248, 3145664, 4718496, 6291328, 9436992, 18873984]

約数ペア:

[(1, 18873984), (2, 9436992), (3, 6291328), (4, 4718496), (6, 3145664), (8, 2359248), (12, 1572832), (16, 1179624), (23, 820608), (24, 786416), (32, 589812), (46, 410304), (48, 393208), (64, 294906), (69, 273536), (92, 205152), (96, 196604), (128, 147453), (138, 136768), (184, 102576), (192, 98302), (276, 68384), (368, 51288), (384, 49151), (552, 34192), (736, 25644), (1104, 17096), (1472, 12822), (2137, 8832), (2208, 8548), (2944, 6411), (4274, 4416)]