18191060

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1973}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 38303496

約数和(自身を除く): 20112436

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 1973, 2305, 3946, 4610, 7892, 9220, 9865, 19730, 39460, 909553, 1819106, 3638212, 4547765, 9095530, 18191060]

約数ペア:

[(1, 18191060), (2, 9095530), (4, 4547765), (5, 3638212), (10, 1819106), (20, 909553), (461, 39460), (922, 19730), (1844, 9865), (1973, 9220), (2305, 7892), (3946, 4610)]