18381568

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1292

約数の個数: 36

約数和(自身を含む): 37343880

約数和(自身を除く): 18962312

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1217, 1888, 2434, 3776, 4868, 7552, 9736, 15104, 19472, 38944, 71803, 77888, 143606, 155776, 287212, 311552, 574424, 1148848, 2297696, 4595392, 9190784, 18381568]

約数ペア:

[(1, 18381568), (2, 9190784), (4, 4595392), (8, 2297696), (16, 1148848), (32, 574424), (59, 311552), (64, 287212), (118, 155776), (128, 143606), (236, 77888), (256, 71803), (472, 38944), (944, 19472), (1217, 15104), (1888, 9736), (2434, 7552), (3776, 4868)]