19455104

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4948

約数の個数: 32

約数和(自身を含む): 40016640

約数和(自身を除く): 20561536

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4903, 9806, 19612, 39224, 78448, 151993, 156896, 303986, 313792, 607972, 627584, 1215944, 2431888, 4863776, 9727552, 19455104]

約数ペア:

[(1, 19455104), (2, 9727552), (4, 4863776), (8, 2431888), (16, 1215944), (31, 627584), (32, 607972), (62, 313792), (64, 303986), (124, 156896), (128, 151993), (248, 78448), (496, 39224), (992, 19612), (1984, 9806), (3968, 4903)]