19627504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21619856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 479, 788, 958, 1576, 1916, 2561, 3152, 3832, 5122, 6227, 7664, 10244, 12454, 20488, 24908, 40976, 49816, 94363, 99632, 188726, 377452, 754904, 1226719, 1509808, 2453438, 4906876, 9813752, 19627504]

約数ペア:

[(1, 19627504), (2, 9813752), (4, 4906876), (8, 2453438), (13, 1509808), (16, 1226719), (26, 754904), (52, 377452), (104, 188726), (197, 99632), (208, 94363), (394, 49816), (479, 40976), (788, 24908), (958, 20488), (1576, 12454), (1916, 10244), (2561, 7664), (3152, 6227), (3832, 5122)]