18547088

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 42895692

約数和(自身を除く): 24348604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 392, 574, 577, 656, 784, 1148, 1154, 2009, 2296, 2308, 4018, 4039, 4592, 4616, 8036, 8078, 9232, 16072, 16156, 23657, 28273, 32144, 32312, 47314, 56546, 64624, 94628, 113092, 165599, 189256, 226184, 331198, 378512, 452368, 662396, 1159193, 1324792, 2318386, 2649584, 4636772, 9273544, 18547088]

約数ペア:

[(1, 18547088), (2, 9273544), (4, 4636772), (7, 2649584), (8, 2318386), (14, 1324792), (16, 1159193), (28, 662396), (41, 452368), (49, 378512), (56, 331198), (82, 226184), (98, 189256), (112, 165599), (164, 113092), (196, 94628), (287, 64624), (328, 56546), (392, 47314), (574, 32312), (577, 32144), (656, 28273), (784, 23657), (1148, 16156), (1154, 16072), (2009, 9232), (2296, 8078), (2308, 8036), (4018, 4616), (4039, 4592)]