19974752

素因数分解:

$2^5\times 7^2\times {\mathrm{12739}}^1$

素因数の和:12763

約数の個数: 36

約数和(自身を含む): 45749340

約数和(自身を除く): 25774588

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12739, 25478, 50956, 89173, 101912, 178346, 203824, 356692, 407648, 624211, 713384, 1248422, 1426768, 2496844, 2853536, 4993688, 9987376, 19974752]

約数ペア:

[(1, 19974752), (2, 9987376), (4, 4993688), (7, 2853536), (8, 2496844), (14, 1426768), (16, 1248422), (28, 713384), (32, 624211), (49, 407648), (56, 356692), (98, 203824), (112, 178346), (196, 101912), (224, 89173), (392, 50956), (784, 25478), (1568, 12739)]