18653824

素因数分解:

$2^7\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 24430976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 128, 191, 218, 224, 382, 436, 448, 763, 764, 872, 896, 1337, 1526, 1528, 1744, 2674, 3052, 3056, 3488, 5348, 6104, 6112, 6976, 10696, 12208, 12224, 13952, 20819, 21392, 24416, 24448, 41638, 42784, 48832, 83276, 85568, 97664, 145733, 166552, 171136, 291466, 333104, 582932, 666208, 1165864, 1332416, 2331728, 2664832, 4663456, 9326912, 18653824]

約数ペア:

[(1, 18653824), (2, 9326912), (4, 4663456), (7, 2664832), (8, 2331728), (14, 1332416), (16, 1165864), (28, 666208), (32, 582932), (56, 333104), (64, 291466), (109, 171136), (112, 166552), (128, 145733), (191, 97664), (218, 85568), (224, 83276), (382, 48832), (436, 42784), (448, 41638), (763, 24448), (764, 24416), (872, 21392), (896, 20819), (1337, 13952), (1526, 12224), (1528, 12208), (1744, 10696), (2674, 6976), (3052, 6112), (3056, 6104), (3488, 5348)]