19847744

素因数分解:

$2^6\times 7^2\times {\mathrm{6329}}^1$

素因数の和:6355

約数の個数: 42

約数和(自身を含む): 45822870

約数和(自身を除く): 25975126

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6329, 12658, 25316, 44303, 50632, 88606, 101264, 177212, 202528, 310121, 354424, 405056, 620242, 708848, 1240484, 1417696, 2480968, 2835392, 4961936, 9923872, 19847744]

約数ペア:

[(1, 19847744), (2, 9923872), (4, 4961936), (7, 2835392), (8, 2480968), (14, 1417696), (16, 1240484), (28, 708848), (32, 620242), (49, 405056), (56, 354424), (64, 310121), (98, 202528), (112, 177212), (196, 101264), (224, 88606), (392, 50632), (448, 44303), (784, 25316), (1568, 12658), (3136, 6329)]