19854688

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 25190816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 587, 604, 1057, 1174, 1208, 2114, 2348, 2416, 4109, 4228, 4696, 4832, 8218, 8456, 9392, 16436, 16912, 18784, 32872, 33824, 65744, 88637, 131488, 177274, 354548, 620459, 709096, 1240918, 1418192, 2481836, 2836384, 4963672, 9927344, 19854688]

約数ペア:

[(1, 19854688), (2, 9927344), (4, 4963672), (7, 2836384), (8, 2481836), (14, 1418192), (16, 1240918), (28, 709096), (32, 620459), (56, 354548), (112, 177274), (151, 131488), (224, 88637), (302, 65744), (587, 33824), (604, 32872), (1057, 18784), (1174, 16912), (1208, 16436), (2114, 9392), (2348, 8456), (2416, 8218), (4109, 4832), (4228, 4696)]