18502784

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4708

約数の個数: 32

約数和(自身を含む): 38058240

約数和(自身を除く): 19555456

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4663, 9326, 18652, 37304, 74608, 144553, 149216, 289106, 298432, 578212, 596864, 1156424, 2312848, 4625696, 9251392, 18502784]

約数ペア:

[(1, 18502784), (2, 9251392), (4, 4625696), (8, 2312848), (16, 1156424), (31, 596864), (32, 578212), (62, 298432), (64, 289106), (124, 149216), (128, 144553), (248, 74608), (496, 37304), (992, 18652), (1984, 9326), (3968, 4663)]