19613696

素因数分解:

$2^{11}\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 40114620

約数和(自身を除く): 20500924

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 157, 244, 256, 314, 488, 512, 628, 976, 1024, 1256, 1952, 2048, 2512, 3904, 5024, 7808, 9577, 10048, 15616, 19154, 20096, 31232, 38308, 40192, 62464, 76616, 80384, 124928, 153232, 160768, 306464, 321536, 612928, 1225856, 2451712, 4903424, 9806848, 19613696]

約数ペア:

[(1, 19613696), (2, 9806848), (4, 4903424), (8, 2451712), (16, 1225856), (32, 612928), (61, 321536), (64, 306464), (122, 160768), (128, 153232), (157, 124928), (244, 80384), (256, 76616), (314, 62464), (488, 40192), (512, 38308), (628, 31232), (976, 20096), (1024, 19154), (1256, 15616), (1952, 10048), (2048, 9577), (2512, 7808), (3904, 5024)]