18924315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 13838565

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1579, 2397, 3995, 4737, 7895, 11985, 23685, 26843, 74213, 80529, 134215, 222639, 371065, 402645, 1113195, 1261621, 3784863, 6308105, 18924315]

約数ペア:

[(1, 18924315), (3, 6308105), (5, 3784863), (15, 1261621), (17, 1113195), (47, 402645), (51, 371065), (85, 222639), (141, 134215), (235, 80529), (255, 74213), (705, 26843), (799, 23685), (1579, 11985), (2397, 7895), (3995, 4737)]