19938448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65587}}^1$

素因数の和:65614

約数の個数: 20

約数和(自身を含む): 40664560

約数和(自身を除く): 20726112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65587, 131174, 262348, 524696, 1049392, 1246153, 2492306, 4984612, 9969224, 19938448]

約数ペア:

[(1, 19938448), (2, 9969224), (4, 4984612), (8, 2492306), (16, 1246153), (19, 1049392), (38, 524696), (76, 262348), (152, 131174), (304, 65587)]