19409824

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 44307648

約数和(自身を除く): 24897824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1187, 2044, 2336, 2374, 4088, 4748, 8176, 8309, 9496, 16352, 16618, 18992, 33236, 37984, 66472, 86651, 132944, 173302, 265888, 346604, 606557, 693208, 1213114, 1386416, 2426228, 2772832, 4852456, 9704912, 19409824]

約数ペア:

[(1, 19409824), (2, 9704912), (4, 4852456), (7, 2772832), (8, 2426228), (14, 1386416), (16, 1213114), (28, 693208), (32, 606557), (56, 346604), (73, 265888), (112, 173302), (146, 132944), (224, 86651), (292, 66472), (511, 37984), (584, 33236), (1022, 18992), (1168, 16618), (1187, 16352), (2044, 9496), (2336, 8309), (2374, 8176), (4088, 4748)]