19729216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 44037504

約数和(自身を除く): 24308288

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1031, 1196, 1472, 2062, 2392, 4124, 4784, 8248, 9568, 13403, 16496, 19136, 23713, 26806, 32992, 47426, 53612, 65984, 94852, 107224, 189704, 214448, 308269, 379408, 428896, 616538, 758816, 857792, 1233076, 1517632, 2466152, 4932304, 9864608, 19729216]

約数ペア:

[(1, 19729216), (2, 9864608), (4, 4932304), (8, 2466152), (13, 1517632), (16, 1233076), (23, 857792), (26, 758816), (32, 616538), (46, 428896), (52, 379408), (64, 308269), (92, 214448), (104, 189704), (184, 107224), (208, 94852), (299, 65984), (368, 53612), (416, 47426), (598, 32992), (736, 26806), (832, 23713), (1031, 19136), (1196, 16496), (1472, 13403), (2062, 9568), (2392, 8248), (4124, 4784)]