18591976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3373}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 38261160

約数和(自身を除く): 19669184

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3373, 5512, 6746, 13492, 26984, 43849, 87698, 175396, 178769, 350792, 357538, 715076, 1430152, 2323997, 4647994, 9295988, 18591976]

約数ペア:

[(1, 18591976), (2, 9295988), (4, 4647994), (8, 2323997), (13, 1430152), (26, 715076), (52, 357538), (53, 350792), (104, 178769), (106, 175396), (212, 87698), (424, 43849), (689, 26984), (1378, 13492), (2756, 6746), (3373, 5512)]