19131616

素因数分解:

$2^5\times 7^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 24220448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 223, 224, 383, 446, 766, 892, 1532, 1561, 1784, 2681, 3064, 3122, 3568, 5362, 6128, 6244, 7136, 10724, 12256, 12488, 21448, 24976, 42896, 49952, 85409, 85792, 170818, 341636, 597863, 683272, 1195726, 1366544, 2391452, 2733088, 4782904, 9565808, 19131616]

約数ペア:

[(1, 19131616), (2, 9565808), (4, 4782904), (7, 2733088), (8, 2391452), (14, 1366544), (16, 1195726), (28, 683272), (32, 597863), (56, 341636), (112, 170818), (223, 85792), (224, 85409), (383, 49952), (446, 42896), (766, 24976), (892, 21448), (1532, 12488), (1561, 12256), (1784, 10724), (2681, 7136), (3064, 6244), (3122, 6128), (3568, 5362)]