17969968

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21191}}^1$

素因数の和:21252

約数の個数: 20

約数和(自身を含む): 35475408

約数和(自身を除く): 17505440

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21191, 42382, 84764, 169528, 339056, 1123123, 2246246, 4492492, 8984984, 17969968]

約数ペア:

[(1, 17969968), (2, 8984984), (4, 4492492), (8, 2246246), (16, 1123123), (53, 339056), (106, 169528), (212, 84764), (424, 42382), (848, 21191)]