19591216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20406224

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 383, 556, 766, 1112, 1532, 2224, 3064, 3197, 6128, 6394, 8809, 12788, 17618, 25576, 35236, 51152, 53237, 70472, 106474, 140944, 212948, 425896, 851792, 1224451, 2448902, 4897804, 9795608, 19591216]

約数ペア:

[(1, 19591216), (2, 9795608), (4, 4897804), (8, 2448902), (16, 1224451), (23, 851792), (46, 425896), (92, 212948), (139, 140944), (184, 106474), (278, 70472), (368, 53237), (383, 51152), (556, 35236), (766, 25576), (1112, 17618), (1532, 12788), (2224, 8809), (3064, 6394), (3197, 6128)]