20190351328

素因数分解:

$2^5\times 7^1\times {\mathrm{641}}^1\times {\mathrm{140617}}^1$

素因数の和:141275

約数の個数: 48

約数和(自身を含む): 45499485024

約数和(自身を除く): 25309133696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 641, 1282, 2564, 4487, 5128, 8974, 10256, 17948, 20512, 35896, 71792, 140617, 143584, 281234, 562468, 984319, 1124936, 1968638, 2249872, 3937276, 4499744, 7874552, 15749104, 31498208, 90135497, 180270994, 360541988, 630948479, 721083976, 1261896958, 1442167952, 2523793916, 2884335904, 5047587832, 10095175664, 20190351328]

約数ペア:

[(1, 20190351328), (2, 10095175664), (4, 5047587832), (7, 2884335904), (8, 2523793916), (14, 1442167952), (16, 1261896958), (28, 721083976), (32, 630948479), (56, 360541988), (112, 180270994), (224, 90135497), (641, 31498208), (1282, 15749104), (2564, 7874552), (4487, 4499744), (5128, 3937276), (8974, 2249872), (10256, 1968638), (17948, 1124936), (20512, 984319), (35896, 562468), (71792, 281234), (140617, 143584)]