19278448

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4061

約数の個数: 40

約数和(自身を含む): 43691648

約数和(自身を除く): 24413200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4003, 4816, 8006, 16012, 28021, 32024, 56042, 64048, 112084, 172129, 224168, 344258, 448336, 688516, 1204903, 1377032, 2409806, 2754064, 4819612, 9639224, 19278448]

約数ペア:

[(1, 19278448), (2, 9639224), (4, 4819612), (7, 2754064), (8, 2409806), (14, 1377032), (16, 1204903), (28, 688516), (43, 448336), (56, 344258), (86, 224168), (112, 172129), (172, 112084), (301, 64048), (344, 56042), (602, 32024), (688, 28021), (1204, 16012), (2408, 8006), (4003, 4816)]