18861104

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:617

約数の個数: 40

約数和(自身を含む): 38568960

約数和(自身を除く): 19707856

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 107, 184, 214, 368, 428, 479, 856, 958, 1712, 1916, 2461, 3832, 4922, 7664, 9844, 11017, 19688, 22034, 39376, 44068, 51253, 88136, 102506, 176272, 205012, 410024, 820048, 1178819, 2357638, 4715276, 9430552, 18861104]

約数ペア:

[(1, 18861104), (2, 9430552), (4, 4715276), (8, 2357638), (16, 1178819), (23, 820048), (46, 410024), (92, 205012), (107, 176272), (184, 102506), (214, 88136), (368, 51253), (428, 44068), (479, 39376), (856, 22034), (958, 19688), (1712, 11017), (1916, 9844), (2461, 7664), (3832, 4922)]