18016208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5189}}^1$

素因数の和:5235

約数の個数: 40

約数和(自身を含む): 41187840

約数和(自身を除く): 23171632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5189, 10378, 20756, 36323, 41512, 72646, 83024, 145292, 160859, 290584, 321718, 581168, 643436, 1126013, 1286872, 2252026, 2573744, 4504052, 9008104, 18016208]

約数ペア:

[(1, 18016208), (2, 9008104), (4, 4504052), (7, 2573744), (8, 2252026), (14, 1286872), (16, 1126013), (28, 643436), (31, 581168), (56, 321718), (62, 290584), (112, 160859), (124, 145292), (217, 83024), (248, 72646), (434, 41512), (496, 36323), (868, 20756), (1736, 10378), (3472, 5189)]