18756416

素因数分解:

$2^6\times 7^2\times {\mathrm{5981}}^1$

素因数の和:6007

約数の個数: 42

約数和(自身を含む): 43303698

約数和(自身を除く): 24547282

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 5981, 11962, 23924, 41867, 47848, 83734, 95696, 167468, 191392, 293069, 334936, 382784, 586138, 669872, 1172276, 1339744, 2344552, 2679488, 4689104, 9378208, 18756416]

約数ペア:

[(1, 18756416), (2, 9378208), (4, 4689104), (7, 2679488), (8, 2344552), (14, 1339744), (16, 1172276), (28, 669872), (32, 586138), (49, 382784), (56, 334936), (64, 293069), (98, 191392), (112, 167468), (196, 95696), (224, 83734), (392, 47848), (448, 41867), (784, 23924), (1568, 11962), (3136, 5981)]