18003968

素因数分解:

$2^{11}\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 36855000

約数和(自身を除く): 18851032

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 149, 236, 256, 298, 472, 512, 596, 944, 1024, 1192, 1888, 2048, 2384, 3776, 4768, 7552, 8791, 9536, 15104, 17582, 19072, 30208, 35164, 38144, 60416, 70328, 76288, 120832, 140656, 152576, 281312, 305152, 562624, 1125248, 2250496, 4500992, 9001984, 18003968]

約数ペア:

[(1, 18003968), (2, 9001984), (4, 4500992), (8, 2250496), (16, 1125248), (32, 562624), (59, 305152), (64, 281312), (118, 152576), (128, 140656), (149, 120832), (236, 76288), (256, 70328), (298, 60416), (472, 38144), (512, 35164), (596, 30208), (944, 19072), (1024, 17582), (1192, 15104), (1888, 9536), (2048, 8791), (2384, 7552), (3776, 4768)]