19987772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37571}}^1$

素因数の和:37601

約数の個数: 24

約数和(自身を含む): 42080640

約数和(自身を除く): 22092868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37571, 75142, 150284, 262997, 525994, 713849, 1051988, 1427698, 2855396, 4996943, 9993886, 19987772]

約数ペア:

[(1, 19987772), (2, 9993886), (4, 4996943), (7, 2855396), (14, 1427698), (19, 1051988), (28, 713849), (38, 525994), (76, 262997), (133, 150284), (266, 75142), (532, 37571)]