19877536

素因数分解:

$2^5\times 7^3\times {\mathrm{1811}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 45662400

約数和(自身を除く): 25784864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1811, 2744, 3622, 5488, 7244, 10976, 12677, 14488, 25354, 28976, 50708, 57952, 88739, 101416, 177478, 202832, 354956, 405664, 621173, 709912, 1242346, 1419824, 2484692, 2839648, 4969384, 9938768, 19877536]

約数ペア:

[(1, 19877536), (2, 9938768), (4, 4969384), (7, 2839648), (8, 2484692), (14, 1419824), (16, 1242346), (28, 709912), (32, 621173), (49, 405664), (56, 354956), (98, 202832), (112, 177478), (196, 101416), (224, 88739), (343, 57952), (392, 50708), (686, 28976), (784, 25354), (1372, 14488), (1568, 12677), (1811, 10976), (2744, 7244), (3622, 5488)]