19629568

素因数分解:

$2^9\times 7^1\times {\mathrm{5477}}^1$

素因数の和:5502

約数の個数: 40

約数和(自身を含む): 44831952

約数和(自身を除く): 25202384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5477, 10954, 21908, 38339, 43816, 76678, 87632, 153356, 175264, 306712, 350528, 613424, 701056, 1226848, 1402112, 2453696, 2804224, 4907392, 9814784, 19629568]

約数ペア:

[(1, 19629568), (2, 9814784), (4, 4907392), (7, 2804224), (8, 2453696), (14, 1402112), (16, 1226848), (28, 701056), (32, 613424), (56, 350528), (64, 306712), (112, 175264), (128, 153356), (224, 87632), (256, 76678), (448, 43816), (512, 38339), (896, 21908), (1792, 10954), (3584, 5477)]