18720408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{111431}}^1$

素因数の和:111447

約数の個数: 32

約数和(自身を含む): 53487360

約数和(自身を除く): 34766952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 111431, 222862, 334293, 445724, 668586, 780017, 891448, 1337172, 1560034, 2340051, 2674344, 3120068, 4680102, 6240136, 9360204, 18720408]

約数ペア:

[(1, 18720408), (2, 9360204), (3, 6240136), (4, 4680102), (6, 3120068), (7, 2674344), (8, 2340051), (12, 1560034), (14, 1337172), (21, 891448), (24, 780017), (28, 668586), (42, 445724), (56, 334293), (84, 222862), (168, 111431)]