19942496

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5237}}^1$

素因数の和:5271

約数の個数: 48

約数和(自身を含む): 47519136

約数和(自身を除く): 27576640

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5237, 10474, 20948, 36659, 41896, 73318, 83792, 89029, 146636, 167584, 178058, 293272, 356116, 586544, 623203, 712232, 1173088, 1246406, 1424464, 2492812, 2848928, 4985624, 9971248, 19942496]

約数ペア:

[(1, 19942496), (2, 9971248), (4, 4985624), (7, 2848928), (8, 2492812), (14, 1424464), (16, 1246406), (17, 1173088), (28, 712232), (32, 623203), (34, 586544), (56, 356116), (68, 293272), (112, 178058), (119, 167584), (136, 146636), (224, 89029), (238, 83792), (272, 73318), (476, 41896), (544, 36659), (952, 20948), (1904, 10474), (3808, 5237)]