18999364

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 34080480

約数和(自身を除く): 15081116

約数列:

[1, 2, 4, 83, 89, 166, 178, 332, 356, 643, 1286, 2572, 7387, 14774, 29548, 53369, 57227, 106738, 114454, 213476, 228908, 4749841, 9499682, 18999364]

約数ペア:

[(1, 18999364), (2, 9499682), (4, 4749841), (83, 228908), (89, 213476), (166, 114454), (178, 106738), (332, 57227), (356, 53369), (643, 29548), (1286, 14774), (2572, 7387)]