19828928

素因数分解:

$2^6\times 7^2\times {\mathrm{6323}}^1$

素因数の和:6349

約数の個数: 42

約数和(自身を含む): 45779436

約数和(自身を除く): 25950508

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6323, 12646, 25292, 44261, 50584, 88522, 101168, 177044, 202336, 309827, 354088, 404672, 619654, 708176, 1239308, 1416352, 2478616, 2832704, 4957232, 9914464, 19828928]

約数ペア:

[(1, 19828928), (2, 9914464), (4, 4957232), (7, 2832704), (8, 2478616), (14, 1416352), (16, 1239308), (28, 708176), (32, 619654), (49, 404672), (56, 354088), (64, 309827), (98, 202336), (112, 177044), (196, 101168), (224, 88522), (392, 50584), (448, 44261), (784, 25292), (1568, 12646), (3136, 6323)]