18738028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{661}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 34662320

約数和(自身を除く): 15924292

約数列:

[1, 2, 4, 19, 38, 76, 373, 661, 746, 1322, 1492, 2644, 7087, 12559, 14174, 25118, 28348, 50236, 246553, 493106, 986212, 4684507, 9369014, 18738028]

約数ペア:

[(1, 18738028), (2, 9369014), (4, 4684507), (19, 986212), (38, 493106), (76, 246553), (373, 50236), (661, 28348), (746, 25118), (1322, 14174), (1492, 12559), (2644, 7087)]