18903872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{22721}}^1$

素因数の和:22746

約数の個数: 28

約数和(自身を含む): 40399716

約数和(自身を除く): 21495844

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 22721, 45442, 90884, 181768, 295373, 363536, 590746, 727072, 1181492, 1454144, 2362984, 4725968, 9451936, 18903872]

約数ペア:

[(1, 18903872), (2, 9451936), (4, 4725968), (8, 2362984), (13, 1454144), (16, 1181492), (26, 727072), (32, 590746), (52, 363536), (64, 295373), (104, 181768), (208, 90884), (416, 45442), (832, 22721)]