18671904

素因数分解:

$2^5\times 3^3\times {\mathrm{21611}}^1$

素因数の和:21630

約数の個数: 48

約数和(自身を含む): 54462240

約数和(自身を除く): 35790336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 21611, 43222, 64833, 86444, 129666, 172888, 194499, 259332, 345776, 388998, 518664, 583497, 691552, 777996, 1037328, 1166994, 1555992, 2074656, 2333988, 3111984, 4667976, 6223968, 9335952, 18671904]

約数ペア:

[(1, 18671904), (2, 9335952), (3, 6223968), (4, 4667976), (6, 3111984), (8, 2333988), (9, 2074656), (12, 1555992), (16, 1166994), (18, 1037328), (24, 777996), (27, 691552), (32, 583497), (36, 518664), (48, 388998), (54, 345776), (72, 259332), (96, 194499), (108, 172888), (144, 129666), (216, 86444), (288, 64833), (432, 43222), (864, 21611)]