19517824

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 39198600

約数和(自身を除く): 19680776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1097, 1112, 2194, 2224, 4388, 4448, 8776, 8896, 17552, 17792, 35104, 70208, 140416, 152483, 304966, 609932, 1219864, 2439728, 4879456, 9758912, 19517824]

約数ペア:

[(1, 19517824), (2, 9758912), (4, 4879456), (8, 2439728), (16, 1219864), (32, 609932), (64, 304966), (128, 152483), (139, 140416), (278, 70208), (556, 35104), (1097, 17792), (1112, 17552), (2194, 8896), (2224, 8776), (4388, 4448)]