18819905744

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{38273}}^1$

素因数の和:38775

約数の個数: 40

約数和(自身を含む): 37051834632

約数和(自身を除く): 18231928888

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 421, 584, 842, 1168, 1684, 3368, 6736, 30733, 38273, 61466, 76546, 122932, 153092, 245864, 306184, 491728, 612368, 2793929, 5587858, 11175716, 16112933, 22351432, 32225866, 44702864, 64451732, 128903464, 257806928, 1176244109, 2352488218, 4704976436, 9409952872, 18819905744]

約数ペア:

[(1, 18819905744), (2, 9409952872), (4, 4704976436), (8, 2352488218), (16, 1176244109), (73, 257806928), (146, 128903464), (292, 64451732), (421, 44702864), (584, 32225866), (842, 22351432), (1168, 16112933), (1684, 11175716), (3368, 5587858), (6736, 2793929), (30733, 612368), (38273, 491728), (61466, 306184), (76546, 245864), (122932, 153092)]