19951904

素因数分解:

$2^5\times 7^1\times {\mathrm{89071}}^1$

素因数の和:89088

約数の個数: 24

約数和(自身を含む): 44892288

約数和(自身を除く): 24940384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89071, 178142, 356284, 623497, 712568, 1246994, 1425136, 2493988, 2850272, 4987976, 9975952, 19951904]

約数ペア:

[(1, 19951904), (2, 9975952), (4, 4987976), (7, 2850272), (8, 2493988), (14, 1425136), (16, 1246994), (28, 712568), (32, 623497), (56, 356284), (112, 178142), (224, 89071)]