19654328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 19052872

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 223, 446, 479, 892, 958, 1784, 1916, 3832, 5129, 10258, 11017, 20516, 22034, 41032, 44068, 88136, 106817, 213634, 427268, 854536, 2456791, 4913582, 9827164, 19654328]

約数ペア:

[(1, 19654328), (2, 9827164), (4, 4913582), (8, 2456791), (23, 854536), (46, 427268), (92, 213634), (184, 106817), (223, 88136), (446, 44068), (479, 41032), (892, 22034), (958, 20516), (1784, 11017), (1916, 10258), (3832, 5129)]