19990208

素因数分解:

$2^6\times 7^1\times {\mathrm{44621}}^1$

素因数の和:44640

約数の個数: 28

約数和(自身を含む): 45335952

約数和(自身を除く): 25345744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 44621, 89242, 178484, 312347, 356968, 624694, 713936, 1249388, 1427872, 2498776, 2855744, 4997552, 9995104, 19990208]

約数ペア:

[(1, 19990208), (2, 9995104), (4, 4997552), (7, 2855744), (8, 2498776), (14, 1427872), (16, 1249388), (28, 713936), (32, 624694), (56, 356968), (64, 312347), (112, 178484), (224, 89242), (448, 44621)]